Academic literature on the topic 'Marine fishes'

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Journal articles on the topic "Marine fishes"

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Barrett, Luke T., Arthur de Lima, and Jordan S. Goetze. "Evidence of a biomass hotspot for targeted fish species within Namena Marine Reserve, Fiji." Pacific Conservation Biology 25, no. 2 (2019): 204. http://dx.doi.org/10.1071/pc18034.

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Namena is Fiji’s oldest and second largest no-take marine reserve, and has relatively high abundance and biomass of targeted fishes within its boundaries due to a high level of protection since its creation in 1997 (formalised in 2005). Following anecdotal reports of exceptionally high fish abundance at the Grand Central Station dive site within Namena, we conducted a 500-m meandering diver-operated video transect along the main reef formation, to obtain abundance, length and biomass estimates for fish species targeted by local fishers. Our census revealed extremely high diversity, abundance and biomass (11436kgha−1) of targeted fishes. While demersal reef fishes were present at higher densities than on typical fished reefs in the region, they were dwarfed by aggregations of reef-associated pelagics, namely the barracuda Sphyraena forsteri (5540kgha−1) and the trevally Caranx sexfasciatus (4448kgha−1). These estimates are comparable to those of historically unfished or ‘pristine’ locations, an unexpected finding given the historical fishing pressure within the reserve before its establishment and ongoing pressure in surrounding fished areas. This finding presents Grand Central Station as a useful reference site for ecologists and managers, and highlights the ability of protected coral reefs to support or attract very high densities of fish.
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D'Alessandro, Evan K. "Marine Fishes of Florida." Bulletin of Marine Science 92, no. 3 (July 1, 2016): 381. http://dx.doi.org/10.5343/bms.br.2016.0003.

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Winfield, Ian J. "MARINE FISHES OF FLORIDA." Journal of Fish Biology 91, no. 5 (November 2017): 1528–29. http://dx.doi.org/10.1111/jfb.13465.

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Metzger, David C. H., and Patricia M. Schulte. "Epigenomics in marine fishes." Marine Genomics 30 (December 2016): 43–54. http://dx.doi.org/10.1016/j.margen.2016.01.004.

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Robinson, Mary. "Marine Fishes of Florida." Reference Reviews 31, no. 6 (August 21, 2017): 30–31. http://dx.doi.org/10.1108/rr-04-2017-0087.

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Whiteman, E. A., and I. M. Côté. "Monogamy in marine fishes." Biological Reviews 79, no. 2 (May 2004): 351–75. http://dx.doi.org/10.1017/s1464793103006304.

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Kovačić, Marcelo, Vasilis Gerovasileiou, and Robert A. Patzner. "Fishes in Marine Caves." Fishes 9, no. 6 (June 20, 2024): 243. http://dx.doi.org/10.3390/fishes9060243.

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Fishes in marine caves have attracted limited attention by the scientific community in comparison to subterranean fishes which have lost eyes and pigmentation. They constitute a largely unexplored component of marine fish diversity, except for the relatively well-studied marine caves of the Mediterranean Sea. These habitats are characterized by steep environmental gradients of decreasing light and decreasing water exchange. The fishes recorded so far in marine caves are not exclusive residents of this habitat and they are also present at least in the other mesolithial habitats. In the Mediterranean marine caves, 132 fishes have been recorded to date, representing about 17% of the total Mediterranean fish species richness. Most of these species are reported from the anterior cave zones where some light still exists, while a smaller number of species are known from the totally dark zones. Among them, 27.3% are accidental visitors, 53.8% are the regular mesolithial visitors and switchers between mesolithion and open water, 5.3% are permanent residents of the mesolithion, but also occur in other habitats, and 13.6% are exclusive permanent residents of mesolithion. Some mesolithial exclusive permanent residents recorded in marine caves share similar morphology, probably as adaptations to these habitats.
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Tupper, Mark, and Murray A. Rudd. "Species-specific impacts of a small marine reserve on reef fish production and fishing productivity in the Turks and Caicos Islands." Environmental Conservation 29, no. 4 (December 2002): 484–92. http://dx.doi.org/10.1017/s0376892902000346.

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Marine reserves are widely considered to potentially benefit reef fisheries through emigration, yet the empirical basis for predicting the extent of this for small reserves is weak. The effects of fishing pressure and habitat on biomass and catch per unit effort (CPUE) of three species of exploited reef fish were studied at South Caicos, Turks and Caicos Islands. Distribution and abundance of hogfish (Lachnolaimus maximus) and white margate (Haemulon album) were inversely correlated with cover of fleshy macroalgae. Nassau grouper (Epinephelus striatus) were positively associated with vertical relief, but were unaffected by algal cover. Mean size, density, and biomass of hogfish were higher in a small (4 km2) marine reserve than on fished reefs, as was biomass of white margate. CPUE of hogfish was inversely related to distance from the centre of the reserve, suggesting that spillover of this species from the reserve to adjacent reefs may enhance local yields, possibly providing economic incentives for fishers to comply with reserve regulations. Fishing pressure, however, had no apparent effect on Nassau grouper. Larger fishes and those that migrate to spawn, such as economically valuable Nassau grouper, may move over too large a range to be effectively protected by small marine reserves. Small reserves may not protect all fish, but they can increase the biomass of smaller or more sedentary reef fishes and may be a useful tool for the conservation or management of species such as hogfish. Other policy options, such as seasonal spawning closures or total allowable catches, need to be considered for larger, more mobile fishes in the Turks and Caicos Islands.
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McAlpine, Donald F. "The Ocean Pout, Zoarces americanus, and the Ocean Sunfish, Mola mola: Additions to the Marine Ichthyofauna of the Lower Saint John River System, New Brunswick, with a Summary of Marine Fish Reported from the Estuary." Canadian Field-Naturalist 127, no. 1 (July 14, 2013): 38. http://dx.doi.org/10.22621/cfn.v127i1.1405.

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Recent records for the Ocean Pout, Zoarces americanus (collected 11 February 2011), and the Ocean Sunfish, Mola mola (photograph taken 24 June 2012), in the lower Saint John River system, New Brunswick, add to the list of marine fishes reported from this oceanographically unique estuary system. A total of 62 species of strictly freshwater, anadromous, catadromous, and marine fishes have now been recorded in the Saint John River system, with 49 of these in the Saint John River sensu stricto. The Acadian Redfish, Sebastes faciatus, a species assessed as threatened by the Committee on the Status of Endangered Wildlife in Canada, appears to be among these. While strictly marine fishes may contribute relatively little to the overall biomass of fishes in the Saint John River system, marine species account for 30.6% of the biodiversity of fishes in the river to date. This suggests that marine fishes may be a more significant component of the ichthyofauna of the lower Saint John River system than is generally recognized.
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P., Arturo Acero, Juan José Orellana Amador, and Juan Jose Orellana Amador. "Marine Fishes of Los Cobanos: Fishes of El Salvador." Copeia 1988, no. 2 (May 18, 1988): 505. http://dx.doi.org/10.2307/1445900.

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Dissertations / Theses on the topic "Marine fishes"

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Turner, Jonathan Russell. "Vision in marine fishes." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.528093.

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Miller, Jessica Adele. "Local and regional patterns of transport, dispersal, and exchange in coastal fishes /." view abstract or download file of text, 2004. http://wwwlib.umi.com/cr/uoregon/fullcit?p3136435.

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Thesis (Ph. D.)--University of Oregon, 2004.
Typescript. Includes vita and abstract. Includes bibliographical references (leaves 215-240). Also available for download via the World Wide Web; free to University of Oregon users.
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Dygert, Peter H. "Management implications of variability in reproduction and growth of commerical [sic] marine fishes /." Thesis, Connect to this title online; UW restricted, 1986. http://hdl.handle.net/1773/5380.

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Zamzow, Jill P. "The physiological ecology of UV-absorbing compounds from the mucus of marine fishes." Thesis, University of Hawaii at Manoa, 2003. http://proquest.umi.com/pqdweb?index=0&did=764803761&SrchMode=1&sid=2&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1233342067&clientId=23440.

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Mead, Angela. "The role of restocking in enhancing marine fisheries : a way forward /." Thesis, View the Table of Contents & Abstract, 2005. http://sunzi.lib.hku.hk/hkuto/record/B34737911.

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Hudson, Elodie Jacqueline. "Conservation status assessment of exploited marine fishes." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271312.

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Yuen, Pui-sze. "Feasibility of total prohibition of fishing in marine protected areas of Hong Kong." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43784598.

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Jordaan, Adrian. "Determining Environmental Drivers of Fish Community Structure along the Coast of Maine." Fogler Library, University of Maine, 2006. http://www.library.umaine.edu/theses/pdf/JordaanA2006.pdf.

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Sweetman, Christopher James. "Consumption Patterns of Chesapeake Bay Fishes." W&M ScholarWorks, 2018. https://scholarworks.wm.edu/etd/1550153634.

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As fisheries management moves away from single-species approaches and towards more holistic, ecosystem-based approaches, physiological and ecological interactions need to be explicitly considered and mechanistically understood. Accurate portrayals of food web interactions and the direction and magnitude of energy flow between predator and prey populations are fundamental components to further develop ecosystem-based fisheries management (EBFM). to bolster information that is required within an EBFM framework in the Chesapeake Bay, I conducted research designed to advance traditional dietary studies and better understand the form and structure within the Bay's food web. This research relied on controlled feeding experiments, comprehensive sampling of predator and prey communities, and over 10 years of data from the Chesapeake Bay Monitoring and Assessment Program (ChesMMAP) and the Juvenile Fish and Blue Crab surveys. The dissertation presented here has two main objectives: 1) incorporate additional methodologies to improve stomach content identification, and 2) examine the drivers of trophic interactions and consumption within a suite of abundant and economically valuable predatory fishes in the Chesapeake Bay. Prey that is considered unidentifiable is often ignored in stomach content analyses, but can account for a significant proportion of fish diets. in Chapter 1, I demonstrate the use of molecular techniques to detect specific prey consumed by Atlantic croaker (Micropogonias undulatus) and evaluate factors that influence the rate of gastric evacuation. Molecular protocols developed to identify specific prey DNA from stomach contents determined that DNA from blue mussel (Mytilus edulis) can be detected as long as prey resides in the stomach (~30 hours), which is long after prey can be considered visually identifiable. Furthermore, temperature significantly influenced gastric evacuation rates and therefore should be considered throughout the collection process to ensure accurate identification of prey. Chapter 2 evaluated prey selection patterns among three sympatric predators in the Chesapeake Bay: weakfish (Cynoscion regalis), summer flounder (Paralichthys dentatus), and Atlantic croaker. Comprehensive sampling of predator and prey (midwater, zooplankton, benthic) populations revealed selection patterns on dominant prey selection taxa driven by a variety of mechanisms. Bay anchovy selection was significantly influenced by predator size in both weakfish and summer flounder. Mysid selection was driven by both fish size and Julian Day in weakfish and by temperature in summer flounder. Atlantic croaker select for both polychaetes and bivalves, with selection patterns relating to predator size and Julian Day. to evaluate how trophic linkages and environmental conditions influence consumption, bioenergetics models were developed in Chapter 3 for young-of-the-year Atlantic croaker and weakfish. Annual consumption from 2006 – 2016 was estimated and subsequent analyses demonstrated that prey abundance metrics significantly influenced the observed consumption patterns. This research represents a comprehensive study on predator-prey interactions within the Chesapeake Bay and contributes to a broader understanding of fish ecology and production patterns. The results from this dissertation provides a better understanding of food web structure and aids in the development EBFM strategies towards the sustainable use of marine living resources.
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Vine, Niall Gordon. "Towards the development of a protocol for the selection of probiotics in marine fish larviculture." Connect to this title online, 2004. http://eprints.ru.ac.za/196/.

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Books on the topic "Marine fishes"

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Axelrod, Herbert R. Exotic marine fishes. 8th ed. Neptune, N.J: T.F.H. Publications, 1988.

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Axelrod, Herbert R. Exotic Marine fishes. 7th ed. Neptune City (NJ): TFH, 1985.

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Axelrod, Herbert R. Exotic marine fishes. 9th ed. Neptune, N.J: T.F.H. Publications, 1993.

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He, Pingguo, ed. Behavior of Marine Fishes. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780813810966.

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Amador, Juan José Orellana. Marine fishes of Cobanos: Fishes of El Salvador. New York: Sigma Foundation, 1985.

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Tucker, John W. Marine fish culture. Boston: Kluwer Academic Pub., 1998.

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Coad, Brian W., and James D. Reist, eds. Marine Fishes of Arctic Canada. Toronto: University of Toronto Press, 2017. http://dx.doi.org/10.3138/9781442667297.

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Kemf, Elizabeth. Marine fishes in the wild. Gland, Switzerland: WWF International, 1996.

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Amador, Juan José Orellana. Marine fishes of Los Cóbanos. New York: Sigma Foundation, 1985.

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California. Dept. of Fish and Game., United States. National Marine Fisheries Service. Southwest Region., and University of California (System). Sea Grant Marine Advisory Program., eds. Marine sportfish identification, California. Sacramento, Calif: Dept. of Fish and Game, 1987.

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Book chapters on the topic "Marine fishes"

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Grabacki, Stephen T. "Nutraceuticals from Fishes." In Marine-Based Bioactive Compounds, 1–18. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003128175-1.

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Tachibana, Kazuo. "Chemical Defense in Fishes." In Bioorganic Marine Chemistry, 117–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-48346-2_4.

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Coad, Brian W. "Marine Species." In Marine Fishes of Arctic Canada, edited by Brian W. Coad and James D. Reist, 74–79. Toronto: University of Toronto Press, 2017. http://dx.doi.org/10.3138/9781442667297-015.

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Videler, John J., and Pingguo He. "Swimming in Marine Fish." In Behavior of Marine Fishes, 3–24. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780813810966.ch1.

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Coad, Brian W. "Collecting and Preserving Fishes." In Marine Fishes of Arctic Canada, edited by Brian W. Coad and James D. Reist, 70–72. Toronto: University of Toronto Press, 2017. http://dx.doi.org/10.3138/9781442667297-014.

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Holmes, John C. "Helminth communities in marine fishes." In Parasite Communities: Patterns and Processes, 101–30. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0837-6_5.

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Gibson, R. N. "Tidally-Synchronised Behaviour in Marine Fishes." In Rhythms in Fishes, 63–81. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3042-8_7.

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Graham, Norman. "Technical Measures to Reduce Bycatch and Discards in Trawl Fisheries." In Behavior of Marine Fishes, 237–64. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780813810966.ch10.

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Suuronen, Petri, and Daniel L. Erickson. "Mortality of Animals that Escape Fishing Gears or Are Discarded after Capture: Approaches to Reduce Mortality." In Behavior of Marine Fishes, 265–93. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780813810966.ch11.

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He, Pingguo, and Paul D. Winger. "Effect of Trawling on the Seabed and Mitigation Measures to Reduce Impact." In Behavior of Marine Fishes, 295–314. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780813810966.ch12.

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Conference papers on the topic "Marine fishes"

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Ishimatsu, Atsushi, Masahiro Hayashi, Takashi Kikkawa, and Jun Kita. "Effects of CO2 Ocean Sequestration on Marine Fish." In 25th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/omae2006-92198.

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Ocean sequestration of CO2 has been proposed as a possible measure to retard the increasing rate of the atmospheric CO2 concentration. Since some negative impacts on marine animals and ecosystems are likely to ensue, we must carefully investigate biological effects of ocean CO2 sequestration before embarking on this mitigation practice. Considering the expected depths for CO2 ocean sequestration (> 1,000 m), it is desirable to use deep-sea animals for the experimental assessment of CO2 ocean sequestration. In addition, experimental protocols preferably mimic environmental conditions at the releasing site: CO2 concentrations vary due to mixing with surrounding seawater at low temperatures (0–2 °C) and under high pressures. This paper describes our recent experiments to elucidate the effects of high CO2 on marine fishes. A deep-sea fish Careproctus trachysoma (habitat depth 400–800 m) can be captured alive and be used for in vivo CO2 exposure experiments. 100% mortality occurred when the fish was exposed to seawater equilibrated with a gas mixture containing 3% CO2 conditions at 2 °C within 48 h, whereas mortality was never observed when shallow-water fishes (Mustelus manazo, Paralichthys olivaceus and Seriola quinqueradiata) were tested under the same CO2 conditions but at higher temperatures (17–20 °C). It is currently not clear whether this difference in mortality is due to often presumed high susceptibility of deep-sea organisms to environmental perturbations. Subsequent experiments demonstrated that low water temperature accelerates mortality by CO2 exposure. Thus, half lethal time decreased from 105h to only 5 h when water temperature was decreased from 26 °C to 20 °C (CO2 8.5%, Sillago parvisquamis). Therefore, the high CO2 susceptibility of C. trachysoma could be solely due to low water temperature. Temporally varying CO2 conditions resulted in markedly different mortality patterns when compare with mortality recorded under constant CO2 conditions. Step-wise increases in ambient CO2 resulted in much lower mortalities than under one-step increases to the same CO2 levels. Further, a sudden drop of CO2 from 9–10% CO2 to air level (0.038%) killed all the surviving fish within a few minutes.
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Shell, Ryan, C. N. Ciampaglio, and Willliam Palmer. "MARINE PLATYSOMID FISHES FROM THE EARLY PERMIAN OF KANSAS AND TEXAS." In Joint 53rd Annual South-Central/53rd North-Central/71st Rocky Mtn GSA Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019sc-326270.

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A.V., Shokurova, Anishchenko O. V., Kashinskaya E.N., and Solovyev M.M. "THE ELEMENTAL COMPOSITION OF BILE OF SOME MARINE AND FRESHWATER FISH SPECIES AND ITS POSSIBLE PRACTICAL APPLICATION IN AQUACULTURE." In II INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "DEVELOPMENT AND MODERN PROBLEMS OF AQUACULTURE" ("AQUACULTURE 2022" CONFERENCE). DSTU-Print, 2022. http://dx.doi.org/10.23947/aquaculture.2022.29-31.

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The elemental composition of the bile of 429 fish individuals of 21 species of freshwater and marine fish has studied. Macroelements (Ca, K, Mg, Na, P, S), regardless of the diets and habitat of fish, were in the highest concentrations if compare to other elements. However, it is possible to note some differences in the concentrations of such macronutrients as K and Na between marine and freshwater species. Cu, Li and Sr were found in the bile of all studied freshwater species, while bile form marine species has always contained elements such as As, Cu, Li, Se and Sr. At the same time, Bi, Cd, Mo and Tl were absent in most species of both freshwater and marine fishes. Statistical analysis has revealed that such factors as “feeding habits”, “habit”, “season” and “year" had a significant effect on the elemental composition of fish bile. The obtained data of the elemental composition of bile are applicable to the creation of selective artificial nutrient media and species-specific feeds.
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Peycheva, Katya, Katya Peycheva, Mona Stancheva, Mona Stancheva, Stanislava Georgieva, Stanislava Georgieva, Lubomir Makedosnki, and Lubomir Makedosnki. "HEAVY METALS IN WATER, SEDIMENTS AND MARINE FISHES FROM BULGARIAN BLACK SEA." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93d4d78bb6.88545986.

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In this study, the ecosystem marine water-sediment-biota was investigated and the pollution was assessed. The concentrations of eight elements were determined in marine water, sediments and four fish species collected from Black Sea (Varna), Bulgaria during 2013. Marine water recorded the highest concentrations of Zn (15-22 μg/L), As (1.1–1.2 μg/L) and Pb (0.7-0.8 μg/L) while Zn (31-52 μg/g), Pb (21-29 μg/g) and Cu (20-34 μg/g) and show the highest concentrations in sediments. Water and sediments showed similar spatial distribution patterns for the highest mean values of the different metals. In the analysed fish species, the highest concentration of the metals Cu and Zn were found in Trachurus Mediterrneus (0.42 mg/kg w.w) and in Sprattus Sprattus (12.7 mg/kg w.w), respectively while the heavy metals As and Hg were found with maximum values in Pseta Maxima (3.99 mg/kg w.w and 0.08 mg/kg w.w respectively). The results from this study were compared with our data for a previous period (2004-2006) and they show decrease in the levels of heavy metal.
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Peycheva, Katya, Katya Peycheva, Mona Stancheva, Mona Stancheva, Stanislava Georgieva, Stanislava Georgieva, Lubomir Makedosnki, and Lubomir Makedosnki. "HEAVY METALS IN WATER, SEDIMENTS AND MARINE FISHES FROM BULGARIAN BLACK SEA." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315c12f92.

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In this study, the ecosystem marine water-sediment-biota was investigated and the pollution was assessed. The concentrations of eight elements were determined in marine water, sediments and four fish species collected from Black Sea (Varna), Bulgaria during 2013. Marine water recorded the highest concentrations of Zn (15-22 μg/L), As (1.1–1.2 μg/L) and Pb (0.7-0.8 μg/L) while Zn (31-52 μg/g), Pb (21-29 μg/g) and Cu (20-34 μg/g) and show the highest concentrations in sediments. Water and sediments showed similar spatial distribution patterns for the highest mean values of the different metals. In the analysed fish species, the highest concentration of the metals Cu and Zn were found in Trachurus Mediterrneus (0.42 mg/kg w.w) and in Sprattus Sprattus (12.7 mg/kg w.w), respectively while the heavy metals As and Hg were found with maximum values in Pseta Maxima (3.99 mg/kg w.w and 0.08 mg/kg w.w respectively). The results from this study were compared with our data for a previous period (2004-2006) and they show decrease in the levels of heavy metal.
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Stanley, Jenni A., Sofie M. Van Parijs, and Leila T. Hatch. "The acoustic ecology of soniferous fishes within Stellwagen Bank National Marine Sanctuary." In Fourth International Conference on the Effects of Noise on Aquatic Life. Acoustical Society of America, 2016. http://dx.doi.org/10.1121/2.0000289.

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"Species Composition and Abundanceof Marine Fishes in Selectedlanding Areas of Northern Samar, Philippines." In International Conference on Chemical, Environment & Biological Sciences. International Institute of Chemical, Biological & Environmental Engineering, 2014. http://dx.doi.org/10.15242/iicbe.c914065.

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Thorrold. "Determining larval dispersal and natal origins of marine fishes using geochemical signatures in otoliths." In Oceans 2003. Celebrating the Past ... Teaming Toward the Future. IEEE, 2003. http://dx.doi.org/10.1109/oceans.2003.178543.

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Rizwan, M. O. D., R. Jeberson Retna Raj, and M. Vasudev. "A novel approach for time series data forecasting based on ARIMA model for marine fishes." In 2017 International Conference on Algorithms, Methodology, Models and Applications in Emerging Technologies (ICAMMAET). IEEE, 2017. http://dx.doi.org/10.1109/icammaet.2017.8186707.

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Riera, Amalis, Rodney A. Rountree, Xavier Mouy, John K. Ford, and Francis Juanes. "Effects of anthropogenic noise on fishes at the SGaan Kinghlas-Bowie Seamount Marine Protected Area." In Fourth International Conference on the Effects of Noise on Aquatic Life. Acoustical Society of America, 2016. http://dx.doi.org/10.1121/2.0000245.

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Reports on the topic "Marine fishes"

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Penttila, Dan. Marine Forage Fishes in Puget Sound. Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada478081.

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Leis, Jeffrey M., William Watson, Bruce C. Mundy, and Peter Konstantinidis, eds. Early Life History and Biology of Marine Fishes: Research inspired by the work of H Geoffrey Moser. US Department of Commerce, NOAA, NMFS Scientific Publications Office, 2024. http://dx.doi.org/10.7755/pp.24.

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Funk, Steffen, and Felix Mittermayer. Biological oceanography and fishery science practical at Sea in the framework of the SeaRanger educational programme, Cruise No. AL607, February 10th – February 16th 2024, Kiel (Germany) – Kiel (Germany), SeaRanger. GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany, 2024. http://dx.doi.org/10.3289/cr_al607.

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This cruise was conducted as part of the educational training of fishers in the framework of the transdisciplinary SeaRanger program which is scientifically accompanied by the Institute of marine ecosystem and fisheries Science (IMF) at the University of Hamburg (UHAM), the Christian-Albrechts University Kiel, Centre for Ocean and Society (CeOS), the Thuenen-Institute for Baltic Sea fisheries (TI-OF), and the German Centre for Integrative Biodiversity Research (iDiv) in the framework of the joint project SpaCeParti (Coastal Fishery, Biodiversity, Spatial Use and Climate Change: A Participative Approach to navigate the Western Baltic Sea into a Sustainable Future; Grant no. 03F0914) funded by the BMBF. In order to give the fishermen as realistic an application of the standard monitoring techniques as possible, the trip was planned in such a way that the training part was integrated into a scientific monitoring programme focussing on the spawning activity of fish in the Belt Sea. By sampling a standardised station grid contributing to the joint long-term sampling efforts in the Western Baltic Sea which are internationally coordinated by the WBCF (Western Baltic cod Forum), the fishers learned how plankton, fish and water samples are taken, preserved, and analysed and gained a comprehensive insight into the hydrography and fauna of the western Baltic. Similar to the previous cruise AL606 in January 2024 conducted by the IMF no cod larvae and generally less larvae compared to previous years were observed in the Bongo 500 μm net samples from the Plankton grid stations, potentially indicating a delayed spawning activity of fish in the Belt Sea potentially related to the comparably low water temperatures in winter 2023/24. (Alkor-Berichte ; AL607)
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Klinger, Richard. Bachelor-MARSYS education cruise in the Baltic Sea Cruise No. AL577, 28.07. – 08.08.2022, Kiel (Germany) – Kiel (Germany) BALTEACH - 1. Institute for Marine Ecosystem and Fishery Science, Kiel, Germany, 2022. http://dx.doi.org/10.3289/cr_al577.

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During this teaching cruise, bachelor students of the Institute of Marine Ecosystem and Fishery Science (IMF) were supposed to get the opportunity to learn about the most commonly used scientific methods, gears and working procedures on board of a research vessel for fisheries science as well as biological oceanography. In order to achieve a great number of students participating a teaching cruise, this one has been split in half. Thus a change of 7 students has been realizable in Rønne, on the Danish island Bornholm. The scientific objective of the cruise was the investigation of distribution patterns of certain spawning fish species, such as cod, whiting, sprat, plaice, flounder and dab in the Kiel, Arkona and with special focus within the Bornholm Basin. In addition to fisheries, a comprehensive grid of plankton net stations was sampled in order to gain insights into the spatial distribution of fish eggs, planktivorous prey (larval to adult life stages) cod larvae and plankton distribution (most important for sprat) within the Bornholm Basin. Of special interest were picoplankton communities´ short term responses (on board) to temperature along the respective gradient in the Baltic Sea with an additional sampling scheme to later isolate Ostreococcus sp. and its associated viruses for future laboratory studies at the Institute for Marine Ecosystem and Fishery Science. (Alkor-Berichte ; AL577)
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Orr, Kyla, Ali McKnight, Kathryn Logan, and Hannah Ladd-Jones. Scottish Inshore Fisheries Integrated Data System (SIFIDS): work package 7 final report engagement with inshore fisheries to promote and inform. Edited by Mark James. Marine Alliance for Science and Technology for Scotland (MASTS), 2020. http://dx.doi.org/10.15664/10023.23453.

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[Extract from Executive Summary] This report documents Work Package 7 of the Scottish Inshore Fisheries Integrated Data Systems (SIFIDS) Project, which was designed to facilitate engagement with the key stakeholders including; inshore fishers, their representative bodies, Regional Inshore Fisheries Groups, Marine Scotland including Policy, Compliance and Science. The SIFIDS Project focused on 12 metre and under inshore fisheries vessels, of which around 1,500 are registered in Scotland including those that work part-time or seasonally. The facilitation team was set various targets for engagement based on the requirements of other work packages. The success of the overall project was dependent to a significant extent on securing voluntary engagement and input from working fishers. Previous experience has shown that having a dedicated project facilitation team is an extremely effective model for establishing the necessary trust to encourage industry-participation in projects such as this. The WP7 facilitation team comprised three individuals who have significant marine and fisheries related experience and wide-ranging skills in communications and stakeholder engagement. They worked together flexibly on a part-time basis, ensuring staffing cover over extended hours where required to match fishers’ availability and geographical coverage over Scotland.
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Mitchell, Brian G., Amir Neori, Charles Yarish, D. Allen Davis, Tzachi Samocha, and Lior Guttman. The use of aquaculture effluents in spray culture for the production of high protein macroalgae for shrimp aqua-feeds. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7597934.bard.

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The FAO has projected a doubling in world demand for seafood during the 21 ed from aquaculture of marine fish and shrimps fed primarily on fishmeal-based aquafeeds. However, current practices of high intensity monoculture of shrimp in coastal ponds and fish in offshore pens have been strongly criticized as being ecologically and socially unsustainable. This view derives from un- checked eutrophication of coastal marine ecosystems from fish farm effluents, and the destruction of coastal estuarine ecosystems by shrimp farm constructions, plus aquaculture’s reliance on wild-caught small fish - which are excellent food for humans, but instead are rendered into fishmeal and fish oil for formulating aquafeeds. Fishmeal-sparing and waste- reduction aquafeeds can only delay the time when fed aquaculture product are priced out of affordability for most consumers. Additionally, replacement of fishmeal protein and fish oil by terrestrial plant sources such as soybean meal and oil directly raises food costs for human communities in developing nations. New formulations incorporating sustainably-produced marine algal proteins and oils are growing in acceptance as viable and practical alternatives. This BARD collaborative research project investigated a sustainable water-sparing spray/drip culture method for producing high-protein marine macrophyte meals for incorporation into marine shrimp and fish diets. The spray culture work was conducted at laboratory-scale in the USA (UCSD-SIO) using selected Gracilariaand Ulvastrains isolated and supplied by UCONN, and outdoors at pilot-scale in Israel (IOLR-NCM) using local strains of Ulvasp., and nitrogen/phosphorus-enriched fish farm effluent to fertilize the spray cultures and produce seaweed biomass and meals containing up to 27% raw protein (dry weight content). Auburn University (USA) in consultation with TAMUS (USA) used the IOLR meals to formulate diets and conduct marine shrimp feeding trials, which resulted in mixed outcomes, indicating further work was needed to chemically identify and remove anti-nutritional elements present in the IOLR-produced seaweed meals.
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Börjesson, Patrik, Maria Eggertsen, Lachlan Fetterplace, Ann-Britt Florin, Ronny Fredriksson, Susanna Fredriksson, Patrik Kraufvelin, et al. Long-term effects of no-take zones in Swedish waters. Edited by Ulf Bergström, Charlotte Berkström, and Mattias Sköld. Department of Aquatic Resources, Swedish University of Agricultural Sciences, 2023. http://dx.doi.org/10.54612/a.10da2mgf51.

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Marine protected areas (MPAs) are increasingly established worldwide to protect and restore degraded ecosystems. However, the level of protection varies among MPAs and has been found to affect the outcome of the closure. In no-take zones (NTZs), no fishing or extraction of marine organisms is allowed. The EU Commission recently committed to protect 30% of European waters by 2030 through the updated Biodiversity Strategy. Importantly, one third of these 30% should be of strict protection. Exactly what is meant by strict protection is not entirely clear, but fishing would likely have to be fully or largely prohibited in these areas. This new target for strictly protected areas highlights the need to evaluate the ecological effects of NTZs, particularly in regions like northern Europe where such evaluations are scarce. The Swedish NTZs made up approximately two thirds of the total areal extent of NTZs in Europe a decade ago. Given that these areas have been closed for at least 10 years and can provide insights into long-term effects of NTZs on fish and ecosystems, they are of broad interest in light of the new 10% strict protection by 2030 commitment by EU member states. In total, eight NTZs in Swedish coastal and offshore waters were evaluated in the current report, with respect to primarily the responses of focal species for the conservation measure, but in some of the areas also ecosystem responses. Five of the NTZs were established in 2009-2011, as part of a government commission, while the other three had been established earlier. The results of the evaluations are presented in a synthesis and also in separate, more detailed chapters for each of the eight NTZs. Overall, the results suggest that NTZs can increase abundances and biomasses of fish and decapod crustaceans, given that the closed areas are strategically placed and of an appropriate size in relation to the life cycle of the focal species. A meta-regression of the effects on focal species of the NTZs showed that CPUE was on average 2.6 times higher after three years of protection, and 3.8 times higher than in the fished reference areas after six years of protection. The proportion of old and large individuals increased in most NTZs, and thereby also the reproductive potential of populations. The increase in abundance of large predatory fish also likely contributed to restoring ecosystem functions, such as top-down control. These effects appeared after a 5-year period and in many cases remained and continued to increase in the longer term (>10 years). In the two areas where cod was the focal species of the NTZs, positive responses were weak, likely as an effect of long-term past, and in the Kattegat still present, recruitment overfishing. In the Baltic Sea, predation by grey seal and cormorant was in some cases so high that it likely counteracted the positive effects of removing fisheries and led to stock declines in the NTZs. In most cases, the introduction of the NTZs has likely decreased the total fishing effort rather than displacing it to adjacent areas. In the Kattegat NTZ, however, the purpose was explicitly to displace an unselective coastal mixed bottom-trawl fishery targeting Norway lobster and flatfish to areas where the bycatches of mature cod were smaller. In two areas that were reopened to fishing after 5 years, the positive effects of the NTZs on fish stocks eroded quickly to pre-closure levels despite that the areas remained closed during the spawning period, highlighting that permanent closures may be necessary to maintain positive effects. We conclude from the Swedish case studies that NTZs may well function as a complement to other fisheries management measures, such as catch, effort and gear regulations. The experiences from the current evaluation show that NTZs can be an important tool for fisheries management especially for local coastal fish populations and areas with mixed fisheries, as well as in cases where there is a need to counteract adverse ecosystem effects of fishing. NTZs are also needed as reference for marine environmental management, and for understanding the effects of fishing on fish populations and other ecosystem components in relation to other pressures. MPAs where the protection of both fish and their habitats is combined may be an important instrument for ecosystembased management, where the recovery of large predatory fish may lead to a restoration of important ecosystem functions and contribute to improving decayed habitats. With the new Biodiversity Strategy, EUs level of ambition for marine conservation increases significantly, with the goal of 30% of coastal and marine waters protected by 2030, and, importantly, one third of these areas being strictly protected. From a conservation perspective, rare, sensitive and/or charismatic species or habitats are often in focus when designating MPAs, and displacement of fisheries is then considered an unwanted side effect. However, if the establishment of strictly protected areas also aims to rebuild fish stocks, these MPAs should be placed in heavily fished areas and designed to protect depleted populations by accounting for their home ranges to generate positive outcomes. Thus, extensive displacement of fisheries is required to reach benefits for depleted populations, and need to be accounted for e.g. by specific regulations outside the strictly protected areas. These new extensive EU goals for MPA establishment pose a challenge for management, but at the same time offer an opportunity to bridge the current gap between conservation and fisheries management.
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Douglas, Kristin, Eugenia Naro-Maciel, Ana Porzecanski, and Patrick Shea. What’s in the Water? Using environmental DNA for Marine Monitoring and Planning. American Museum of Natural History, 2020. http://dx.doi.org/10.5531/cbc.ncep.0011.

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Coral reefs, the most biodiverse of all marine ecosystems, are of high ecological, cultural, and financial importance, yet they are declining on a global scale due to several anthropogenic factors. Current threats to coral reefs highlight the urgent need for effective research, monitoring, and management of these ecosystems. In this case study-based exercise, students will compare and contrast biodiversity information about Hawaiian reefs between traditional diver surveys and eDNA based applications, consider the benefits and limitations of each method for coral reef fish monitoring, and use these data to designate potential marine protected areas (MPAs). As part of this process, they will practice identifying species based on genetic sequencing data using the Basic Local Alignment Search Tool (BLAST) of the National Center for Biotechnology Information. Lastly, students will be introduced to different approaches to protection of marine systems in Hawai‘i, including the Papahānaumokuākea Marine National Monument, and reflect on the diversity of approaches to management of seascapes.
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Bartolino, Valerio, Birgit Koehler, and Lena Bergström, eds. Climate effects on fish in Sweden : Species-Climate Information Sheets for 32 key taxa in marine and coastal waters. Department of Aquatic Resources, Swedish University of Agricultural Sciences, 2023. http://dx.doi.org/10.54612/a.4lmlt1tq5j.

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The purpose of this publication is to summarize the state of knowledge on the effects of environmental variability and climate change for individual species and stocks based on literature review, giving species-climate information for 32 key taxa in Swedish marine and coastal waters. The report is written in English. The extent and scale of recent changes in climate due to global warming is unprecedented and causes increasing effects on ecosystems. In oceans, ongoing warming leads to, for example, increased water temperatures, decreased ice cover and effects on hydrology and water circulation patterns that can in turn influence salinity. The environmental alterations affect species distribution, biology, and hence also the delivery of marine ecosystem services and human well-being. The results of this review on the effects of environmental variability and climate change on marine taxa are presented as species-climate information sheets designed in a user-friendly format aimed to enhance accessibility for professionals spanning different fields and roles, including e.g. scientific experts, NGOs affiliates and managers. The species-climate information sheets presented here cover 32 key taxa selected among the economically and ecologically most important coastal and marine fish and crustacean species in Swedish waters. The species-wise evaluations show that climate change leads to a wide range of effects on fish, reflecting variations in their biology and physiological tolerances. The review also highlights important data and knowledge gaps for each species and life stage. Despite the high variability and prevailing uncertainties, some general patterns appeared. On a general level, most fish species in Swedish marine and coastal waters are not expected to benefit from climate change, and many risks are identified to their potential for recruitment, growth and development. Boreal, marine and cold-adapted species would be disadvantaged at Swedish latitudes. However, fish of freshwater origin adapted to warmer temperature regimes could benefit to some extent in the Baltic Sea under a warming climate. Freshwater fish could also be benefitted under further decreasing salinity in the surface water in the Baltic Sea. The resulting effects on species will not only depend on the physiological responses, but also on how the feeding conditions for fish, prey availability, the quality of essential fish habitats and many other factors will develop. A wide range of ecological factors decisive for the development of fish communities are also affected by climate change but have not been explored here, where we focused on the direct effects of warming. The sensitivity and resilience of the fish species to climate change will also depend on their present and future health and biological status. Populations exposed to prolonged and intense fishing exploitation, or affected by environmental deterioration will most likely have a lower capacity to cope with climate change effects over time. For both the Baltic Sea and the North Sea, it is important to ensure continued work to update and improve the species-climate information sheets as results from new research become available. It can also be expected that new important and relevant biological information and improved climate scenarios will emerge continuously. Continued work is therefore important to update and refine the species-climate information sheets, help filling in currently identified knowledge gaps, and extend to other species not included here. Moreover, there is need to integrate this type of species-level information into analyses of the effects of climate change at the level of communities and ecosystems to support timely mitigation and adaptation responses to the challenges of the climate change.
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Killgore, Jack, J. P. Kirk, and John W. Barko. Littoral Fishes Response, Upper Lake Marion, SC, Following Triploid Grass Carp Hydrilla Control. Fort Belvoir, VA: Defense Technical Information Center, September 1998. http://dx.doi.org/10.21236/ada363594.

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