Academic literature on the topic 'Guppies'

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Journal articles on the topic "Guppies"

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Breden, Felix. "Guppies." Current Biology 16, no. 20 (2006): R865—R866. http://dx.doi.org/10.1016/j.cub.2006.09.017.

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Chang, Ying, Shenjun Wu, Junying Li, Haigang Bao, and Changxin Wu. "Identification of Candidate Genes for Red-Eyed (Albinism) Domestic Guppies Using Genomic and Transcriptomic Analyses." International Journal of Molecular Sciences 25, no. 4 (2024): 2175. http://dx.doi.org/10.3390/ijms25042175.

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Guppies are small tropical fish with brightly colored bodies and variable tail shapes. There are two phenotypes of domestic guppy eye color: red and black. The wild type is black-eyed. The main object of this study was to identify candidate genes for the red-eyed phenotype in domestic guppies. We hope to provide molecular genetic information for the development of new domestic guppy strains. Additionally, the results also contribute to basic research concerning guppies. In this study, 121 domestic guppies were used for genomic analysis (GWAS), and 44 genes were identified. Furthermore, 21 dome
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Goldman, Jack A., Laurence E. A. Feyten, Indar W. Ramnarine, and Grant E. Brown. "Sender and receiver experience alters the response of fish to disturbance cues." Current Zoology 66, no. 3 (2019): 255–61. http://dx.doi.org/10.1093/cz/zoz050.

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Abstract Predation is a pervasive selection pressure, shaping morphological, physiological, and behavioral phenotypes of prey species. Recent studies have begun to examine how the effects of individual experience with predation risk shapes the use of publicly available risk assessment cues. Here, we investigated the effects of prior predation risk experience on disturbance cue production and use by Trinidadian guppies Poecilia reticulata under laboratory conditions. In our first experiment, we demonstrate that the response of guppies from a high predation population (Lopinot River) was depende
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SCHELKLE, BETTINA, RYAN S. MOHAMMED, MICHAEL P. COOGAN, et al. "Parasites pitched against nature: Pitch Lake water protects guppies (Poecilia reticulata) from microbial and gyrodactylid infections." Parasitology 139, no. 13 (2012): 1772–79. http://dx.doi.org/10.1017/s0031182012001059.

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SUMMARYThe enemy release hypothesis proposes that in parasite depleted habitats, populations will experience relaxed selection and become more susceptible (or less tolerant) to pathogenic infections. Here, we focus on a population of guppies (Poecilia reticulata) that are found in an extreme environment (the Pitch Lake, Trinidad) and examine whether this habitat represents a refuge from parasites. We investigated the efficacy of pitch in preventing microbial infections in Pitch Lake guppies, by exposing them to dechlorinated water, and reducing gyrodactylid infections on non-Pitch Lake guppies
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V., Sai Sruthi Dr. T. Jagadeeshwara Chari D. Ramkumar. "A Study On "Culturing Paramecium and Analyzing Their Impact on Guppies' Growth Rates" At GDC(A) Siddipet, Telangana." International Journal of Scientific Research and Technology 1, no. 2 (2024): 7–12. https://doi.org/10.5281/zenodo.13683470.

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Paramecium is, a unicellular ciliate, and its potential as a nutritional supplement in the diet of guppies (*Poecilia reticulata). Paramecium were cultured in a controlled environment using standard growth media to ensure optimal population density. Subsequently, the guppies were divided into experimental and control groups, with the former being fed Paramecium in addition to their regular diet, while the latter received only the standard fish feed. Over a period of six weeks, the growth rates of the guppies were monitored and analyzed, focusing on parameters such as weight gain, length increa
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Brown, Grant E., and Jean-Guy J. Godin. "Chemical alarm signals in wild Trinidadian guppies (Poecilia reticulata)." Canadian Journal of Zoology 77, no. 4 (1999): 562–70. http://dx.doi.org/10.1139/z99-035.

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We investigated the presence and possible function of chemical alarm signals (alarm pheromones) in wild Trinidadian guppies (Poecilia reticulata) using laboratory, trapping, and direct field observational methods. In laboratory experiments, female guppies from a population exposed to high predation significantly increased their shoaling, dashing, and freezing behaviours and significantly reduced area use when exposed to the skin extract of sympatric female guppies. When exposed to the skin extract of females from a low-predation population, female guppies from a high-predation population exhib
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Brown, Joseph A., Peter H. Johansen, Patrick W. Colgan, and R. Alastair Mathers. "Changes in the predator-avoidance behaviour of juvenile guppies (Poecilia reticulata) exposed to pentachlorophenol." Canadian Journal of Zoology 63, no. 9 (1985): 2001–5. http://dx.doi.org/10.1139/z85-294.

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The effects of pentachlorophenol on the predator-avoidance behaviour of the guppy (Poecilia reticulate) in response to largemouth bass (Micropterus salmoides) predation was investigated. There were no consistent effects of pentachlorophenol on habitat use or general behaviour of the guppies. In the presence of predators, all guppies occurred significantly more often alone, motionless, and in the top third of the water column in the nonopen areas. Nine variables associated with predator efficiency were monitored to determine which treatment groups of guppies were easiest to capture. The bass ha
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RUCHIN, Alexander B. "EFFECT OF ILLUMINATION ON GROWTH AND BEHAVIOUR OF GUPPY, POECILIA RETICULATA." Periódico Tchê Química 17, no. 35 (2020): 338–45. http://dx.doi.org/10.52571/ptq.v17.n35.2020.30_ruchin_pgs_338_345.pdf.

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The guppy, Poecilia reticulata, is a model for many ichthyological studies. The effect of light on juvenile growth has been studied on the Poecilia reticulata. Studies have been conducted in twenty-liter aquariums. For experiments on the fish arbitrary choice of light intensity (light transmission behavior), it was used radiant pans of organic glass 150 x 15 x 15 cm divided by transparent semi-partitions into ten communicating compartments. The specific growth rate has been determined after the experiments. It increases with the light level increasing. The growth rate is minimal at 0 lx in all
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Mohammed, Ryan Simon, Cock van Oosterhout, Bettina Schelkle, Joanne Cable, and Mark McMullan. "Upstream guppies (Poecilia reticulata, Peters, 1859) go against the flow." Biota Neotropica 12, no. 3 (2012): 68–72. http://dx.doi.org/10.1590/s1676-06032012000300006.

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Guppies (Poecilia reticulata Peters 1859) in lakes and from captive-bred populations are predicted to show little rheotaxis compared to conspecifics in a stream environment that are regularly exposed to flash floods associated with involuntary downstream migration. Here we test this hypothesis using an artificial stream, examining guppies of two wild riverine populations, one lake population, and one ornamental strain. Guppies from the most upstream riverine habitat show the most pronounced rheotaxis and are less likely to be swept downstream during flooding events. However, there is no signif
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Brown, Grant E., Pierre J. C. Chuard, Ebony E. M. Demers, Indar W. Ramnarine, Douglas P. Chivers, and Maud C. O. Ferrari. "Personality and the retention of neophobic predator avoidance in wild caught Trinidadian guppies." Behaviour 155, no. 4 (2018): 265–78. http://dx.doi.org/10.1163/1568539x-00003488.

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Abstract Neophobic predator avoidance allows prey to reduce the risk of predation but is costly in terms of reduced foraging or courtship opportunities if the novel cues do not represent an actual threat. Consequently, neophobic responses to novel cues should wane with repeated exposures in the absence of an actual threat. We tested the prediction that individual personality traits shape the retention of neophobic predator avoidance in wild-caught guppies. Using extinction trials, we demonstrate that personality (measured as latency to escape or approach a novel object) did not influence the i
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Dissertations / Theses on the topic "Guppies"

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Crispo, Erika. "Factors influencing gene flow in guppies." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82212.

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Two processes may lead to genetic divergence among populations. One is mediated by geography, whereby physical barriers and geographic distance limit gene flow among populations, resulting in divergence due to drift or mutation. Another is ecological speciation, whereby populations adapt to their local environments via natural selection, and gene flow is impeded by selection against dispersers in favor of adapted residents. I used natural populations of guppies (Poecilia reticulata) to determine the relative influence of these two processes in the structuring of populations. If geograph
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McKellar, Ann. "Environmental factors influencing adult sex ratio in guppies." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21953.

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Adult sex ratio is an important demographic characteristic that can affect population dynamics and behavioural processes, yet the causes of natural sex ratio variation are often uncertain. In the Trinidadian guppy (Poecilia reticulata), considerable variation in adult sex ratio has been documented, despite 1:1 sex ratios at birth. Sex-biased mortality is likely responsible for this pattern, and reasonable mechanisms include predation and resource limitation. Using field sampling techniques, I found that adult sex ratio in wild guppy populations was associated with predators and resource levels
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Lundin, Erik. "Time and speed dependency of swimming bursts in guppies." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-325583.

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Sheridan, Letitia Anne Devoy. "Sexual selection symmetry, inbreeding and mate choice in Trinidadian guppies." Thesis, University College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263266.

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Macario, Alessandro. "Ontogenetic environments and female mate choice in guppies, Poecilia reticulata." Thesis, University of Exeter, 2013. http://hdl.handle.net/10871/14288.

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Theoretical models of sexual selection assume that female mating preferences are fixed and variation found between individuals resulting solely from allelic variation at specific loci coding for sexual preferences. For the last decade, an increasing number of studies have demonstrated that individual phenotypic variation in preferences was common across a wide range of taxa and induced by the environmental context and the females’ condition. Further, developmental stages of life are crucial in the formation of behaviours in general and have proven to be determinant to learn sexual preferences
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Borner, Karoline. "Influence of turbidity on social structure in guppies, Poecilia reticulata." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17622.

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Umweltveränderungen kommen natürlicherweise vor und viele Spezies waren im Laufe ihrer Evolutionsgeschichte davon betroffen. Durch die Aktivitäten des Menschen jedoch finden diese in höherer Geschwindigkeit und größerem Umfang statt und stellen so für viele Spezies eine neue Herausforderung dar. Einen großen Einfluss auf die Umwelt nimmt der Mensch durch Verschmutzung, welche zu Veränderungen der Physiologie der Organismen und deren Verhalten führen und damit Einfluss auf die Populationsdynamik und letztendlich auf die Biodiversität haben kann. In meiner Dissertation untersuchte ich den Einfl
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Chettri, Jiwan Kumar. "Tetrahymena sp. infection in guppies, Poecilia reticulata : immunization and treatment development /." [Sedeh Boker, Israel] : Ben-Gurion University of the Negev, 2008. http://aranne5.lib.ad.bgu.ac.il/others/ChettriJiwanKumar.pdf.

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Walz, Julia C. "Behavioral and hormonal flexibility across light environments in guppies (Poecilia reticulata)." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1290.

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Behavior may be dramatically influenced by changing environments, and differences in light intensity environments may have important behavioral consequences. One approach to understanding changes in behavior is by studying behavioral syndromes, suites of correlated behaviors reflecting between individual consistencies in behavior expressed within a behavioral situation (e.g., correlations between antipredator behaviors in different habitats), or across behavioral contexts (e.g., correlations among feeding, antipredator, or mating behavior) (Sih et al. 2004a). Guppies (Poecilia reticulata) prov
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Deacon, Amy E. "The behavioural ecology of the Trinidadian guppy, Poecilia reticulata, as an invasive species." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/1689.

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This thesis focuses on the guppy, Poecilia reticulata, as an invasive species. Its non-native distribution, the biology behind its success and the reasons for its introduction are examined. A worldwide email survey revealed that the guppy is established in at least 73 countries outside of its native range and that mosquito control schemes and the release of unwanted aquarium fish are the two primary routes of introduction. Knowledge gaps were identified; primarily the scarcity of scientific evidence for negative impacts of guppy introductions and similarly for mosquito control efficacy. Replic
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Eckerström, Liedholm Simon. "Brain size does not affect reproductive behaviour in male guppies (Poecilia reticulata)." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-233401.

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The processes and mechanisms that govern brain size evolution remain a widely discussed topic in evolutionary biology. How relative brain size relates to animal behaviour and cognition is even more controversial. Recent comparative and experimental studies have shown a positive relationship between relative brain size and complexity of behaviour. Some of the most important behaviours that have direct consequences for an individual’s fitness are reproductive behaviours, and they sometimes require quite complex behavioural repertoires. Selection for complex behaviour might therefore induce an ex
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Books on the topic "Guppies"

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Larson, Jennifer S. Guppies. Lerner Publications Co., 2008.

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Mozart, Homer. Guppies. Chelsea House Publishers, 1998.

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Harry, Moore. Bubble guppies. Publications International, 2013.

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Cobbold, Marika. Guppies for tea. Black Swan, 1993.

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Harris, Jack C. A step-by-step book about guppies. T.F.H. Publications, 1988.

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Tillworth, Mary. Happy holidays, Bubble Guppies! Random House, 2013.

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ill, Hafner Marylin, ed. Don't tease the guppies. Putnam, 1994.

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Glass, Spencer. Guppies today: A complete and up-to-date guide. Chelsea House, 1997.

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ill, Maestro Giulio, ed. Guppies in tuxedos: Funny eponyms. Clarion Books, 1988.

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Whitern, Wilfred H., and Herbert R. Axelrod. Guppies. TFH Publications, 1988.

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Book chapters on the topic "Guppies"

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Pisetsky, David S. "Gamow, Guppies, and the Search for GOD." In Medicine Science and Dreams. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9538-1_2.

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Magurran, Anne E. "Sexual conflict and evolution in Trinidadian guppies." In Microevolution Rate, Pattern, Process. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0585-2_28.

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Musiolek, Lea, Verena V. Hafner, Jens Krause, Tim Landgraf, and David Bierbach. "Robofish as Social Partner for Live Guppies." In Biomimetic and Biohybrid Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-64313-3_26.

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Kolluru, Gita R. "Genotype-by-Environment Interactions and Sexual Selection in Guppies." In Genotype-by-Environment Interactions and Sexual Selection. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118912591.ch12.

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Landgraf, Tim, Hai Nguyen, Joseph Schröer, et al. "Blending in with the Shoal: Robotic Fish Swarms for Investigating Strategies of Group Formation in Guppies." In Biomimetic and Biohybrid Systems. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09435-9_16.

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Griffith, Robert W. "Guppies, toadfish, lungfish, coelacanths and frogs: a scenario for the evolution of urea retention in fishes." In Developments in environmental biology of fishes. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_13.

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Reznick, D. "Life History Evolution in Guppies, Experimental Studies of." In Encyclopedia of Evolutionary Biology. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-12-800049-6.00100-1.

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"Front Matter." In Sex, Color, and Mate Choice in Guppies. Princeton University Press, 2019. http://dx.doi.org/10.2307/j.ctvs32rtk.1.

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"Summary and Prospects." In Sex, Color, and Mate Choice in Guppies. Princeton University Press, 2019. http://dx.doi.org/10.2307/j.ctvs32rtk.10.

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"Appendix." In Sex, Color, and Mate Choice in Guppies. Princeton University Press, 2019. http://dx.doi.org/10.2307/j.ctvs32rtk.11.

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Conference papers on the topic "Guppies"

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Ziaeefard, Saeedeh, Guilherme Aramizo Ribeiro, and Nina Mahmoudian. "GUPPIE, underwater 3D printed robot a game changer in control design education." In 2015 American Control Conference (ACC). IEEE, 2015. http://dx.doi.org/10.1109/acc.2015.7171157.

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Ziaeefard, Saeedeh, Brian R. Page, Lauren Knop, et al. "GUPPIE program — A hands-on STEM learning experience for middle school students." In 2017 IEEE Frontiers in Education Conference (FIE). IEEE, 2017. http://dx.doi.org/10.1109/fie.2017.8190546.

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DuPlain, Ron, Scott Ransom, Paul Demorest, Patrick Brandt, John Ford, and Amy L. Shelton. "Launching GUPPI: the Green Bank Ultimate Pulsar Processing Instrument." In SPIE Astronomical Telescopes + Instrumentation. SPIE, 2008. http://dx.doi.org/10.1117/12.790003.

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Rasima, Hasan Basri. "Implementation of Holistic Education in Shaping Akhlakul Karimah at Madrasah Aliyah Al-Munawwarah Guppi in Parepare." In 2018 3rd International Conference on Education, Sports, Arts and Management Engineering (ICESAME 2018). Atlantis Press, 2018. http://dx.doi.org/10.2991/amca-18.2018.38.

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Reports on the topic "Guppies"

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Bland, Barbara, and Patrik Börjesson. Trålundersökning av fisk i Västerhavet : International Bottom Trawl Survey 2022 kvartal 3. Department of Aquatic Resources, Swedish University of Agricultural Sciences, 2022. http://dx.doi.org/10.54612/a.79jolsamav.

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Inom ramen för IBTS genomförs trålundersökningar i Skagerrak och Kattegatt och på senare år även vissa områden i östra Nordsjön i kvartal 1 och 3. Under expeditionen utfördes totalt 49 giltiga tråldrag i det undersökta området, 26 i Skagerrak och 19 i Kattegatt samt fyra i Nordsjön. I totalfångsten ingick 61 olika fiskarter, bland annat 10,2 ton sill, 4,1 ton skarpsill, 3,8 ton kolja och 382 kg torsk, totalt 36,6 ton. Biologiska parametrar på individnivå samlas in på sill- och torskfiskar samt rödspätta och tunga. Totalt provtogs 3 883 individer från 11 olika arter med avseende på ålder och kö
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