Relevant bibliographies by topics / Cryptobenthic

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  2. Dissertations / Theses

Academic literature on the topic 'Cryptobenthic'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Cryptobenthic"

1

Brandl, Simon J., Luke Tornabene, Christopher H. R. Goatley, Jordan M. Casey, Renato A. Morais, Isabelle M. Côté, Carole C. Baldwin, Valeriano Parravicini, Nina M. D. Schiettekatte, and David R. Bellwood. "Demographic dynamics of the smallest marine vertebrates fuel coral reef ecosystem functioning." Science 364, no. 6446 (May 23, 2019): 1189–92. http://dx.doi.org/10.1126/science.aav3384.

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How coral reefs survive as oases of life in low-productivity oceans has puzzled scientists for centuries. The answer may lie in internal nutrient cycling and/or input from the pelagic zone. Integrating meta-analysis, field data, and population modeling, we show that the ocean’s smallest vertebrates, cryptobenthic reef fishes, promote internal reef fish biomass production through extensive larval supply from the pelagic environment. Specifically, cryptobenthics account for two-thirds of reef fish larvae in the near-reef pelagic zone despite limited adult reproductive outputs. This overwhelming abundance of cryptobenthic larvae fuels reef trophodynamics via rapid growth and extreme mortality, producing almost 60% of consumed reef fish biomass. Although cryptobenthics are often overlooked, their distinctive demographic dynamics may make them a cornerstone of ecosystem functioning on modern coral reefs.
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Glavičić, Igor, Marcelo Kovačić, Alen Soldo, and Ulrich Schliewen. "A quantitative assessment of the diel influence on the cryptobenthic fish assemblage of the shallow Mediterranean infralittoral zone." Scientia Marina 84, no. 1 (March 3, 2020): 49. http://dx.doi.org/10.3989/scimar.04994.21a.

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Cryptobenthic fishes are an underestimated and probably important component of coastal marine ecosystems that are usually overlooked by standard methods for collecting and studying benthic fishes. Studies focusing on cryptobenthic fishes have been rare and all have been based on samples taken during daytime. The present study tested the difference in epibenthic and cryptobenthic fish composition, diel differences in cryptobenthic fish assemblage and diel shifts of infralittoral fish species between hidden and open bottom spaces. It also looked for the significant habitat variables structuring the cryptobenthic fish assemblage. The daylight, sunset and night samples of epibenthic and cryptobenthic fish assemblages were collected from 78 squares of 1 m2 shallow water plots (0.5 to 3 m) on Brač island in the eastern Adriatic. The study recorded 27 species, among which the family Gobiidae dominated fish diversity with 14 species. Cryptobenthic specimens highly outnumbered epibenthic specimens, with a ratio of 7.5 to 1. Species composition of cryptobenthic and epibenthic fish assemblages differed significantly. No diel variation in composition, species richness or abundance of the cryptobenthic fish assemblage was detected. Occurrence frequencies in hidden and open bottom spaces of ambivalent species did not change significantly between times of day, so no dial switches between open and hidden places were apparent. In combination, these results suggest that the cryptobenthic fish assemblage has diel stability and is mostly composed of permanent inhabitants of hidden spaces with domination of miniature gobies. Significant habitat variables for species occurrence were the presence of multiple layers, bottom inclination and the presence of cobbles, while depth also had a large but not significant effect.
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Goatley, Christopher H. R., and Simon J. Brandl. "Cryptobenthic reef fishes." Current Biology 27, no. 11 (June 2017): R452—R454. http://dx.doi.org/10.1016/j.cub.2017.03.051.

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4

Brandl, Simon J., Renato A. Morais, Jordan M. Casey, Valeriano Parravicini, Luke Tornabene, Christopher H. R. Goatley, Isabelle M. Côté, Carole C. Baldwin, Nina M. D. Schiettekatte, and David R. Bellwood. "Response to Comment on “Demographic dynamics of the smallest marine vertebrates fuel coral reef ecosystem functioning”." Science 366, no. 6472 (December 19, 2019): eaaz1301. http://dx.doi.org/10.1126/science.aaz1301.

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Allgeier and Cline suggest that our model overestimates the contributions of cryptobenthic fishes to coral reef functioning. However, their 20-year model ignores the basic biological limits of population growth. If incorporated, cryptobenthic contributions to consumed fish biomass remain high (20 to 70%). Disturbance cycles and uncertainties surrounding the fate of large fishes on decadal scales further demonstrate the important role of cryptobenthic fishes.
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Allgeier, Jacob E., and Timothy J. Cline. "Comment on “Demographic dynamics of the smallest marine vertebrates fuel coral reef ecosystem functioning”." Science 366, no. 6472 (December 19, 2019): eaay9321. http://dx.doi.org/10.1126/science.aay9321.

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Brandl et al. (Reports, 21 June 2019, p. 1189) report that cryptobenthic fishes underpin coral reef ecosystem function by contributing ~60% of “consumed fish” biomass and ~20% of production. These results are artifacts of their simulation. Using their data and model, we show that cryptobenthic species contribute less than 4% to fish production, calling into question the extent to which they contribute to the high productivity of coral reefs.
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Troyer, Emily M., Darren J. Coker, and Michael L. Berumen. "Comparison of cryptobenthic reef fish communities among microhabitats in the Red Sea." PeerJ 6 (June 18, 2018): e5014. http://dx.doi.org/10.7717/peerj.5014.

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Knowledge of community structure within an ecosystem is essential when trying to understand the function and importance of the system and when making related management decisions. Within the larger ecosystem, microhabitats play an important role by providing inhabitants with a subset of available resources. On coral reefs, cryptobenthic fishes encompass many groups and make up an important proportion of the biodiversity. However, these fishes are relatively small, exhibit extreme visual or behavioral camouflage, and, therefore, are often overlooked. We examined the differences in fish community structure between three common reef microhabitats (live hard coral, dead coral rubble, and sand) using ichthyocide stations in the central Red Sea. Using a combination of morphological and genetic (cytochrome oxidase I (COI) barcoding) techniques, we identified 326 individuals representing 73 species spread across 17 families, from fifteen 1 m2 quadrats. Fish assemblages in the three microhabitats were significantly different from each other. Rubble microhabitats yielded the highest levels of fish abundance, richness, and diversity, followed by hard coral, and then sand. The results show that benthic composition, even at a small scale, influences cryptobenthic communities. This study also provides new COI sequence data to public databases, in order to further the research of cryptobenthic fishes in the Red Sea region.
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Beldade, R., T. Pedro, and E. J. Gonçalves. "Pelagic larval duration of 10 temperate cryptobenthic fishes." Journal of Fish Biology 71, no. 2 (August 2007): 376–82. http://dx.doi.org/10.1111/j.1095-8649.2007.01491.x.

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8

Ragkousis, Michail, Markos Digenis, Marcelo Kovačić, Stelios Katsanevakis, and Vasilis Gerovasileiou. "Rarely Reported Cryptobenthic Fish in Marine Caves of the Eastern Mediterranean Sea." Journal of Marine Science and Engineering 9, no. 6 (May 21, 2021): 557. http://dx.doi.org/10.3390/jmse9060557.

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Data on the distribution and ecology of cryptobenthic fish of marine caves in the Mediterranean Sea are extremely scarce but necessary for scientists and marine managers alike in order to understand these fish’s ecological role and assess their conservation status. Broadscale surveys by implementing underwater visual census and photographic sampling in marine caves of the northeastern Mediterranean Sea, within different expeditions during the last 5 years, brought to light new records of eight rarely reported cryptobenthic fish species. To a smaller extent, complementary citizen science data from diving professionals of Crete were used to fill distribution gaps. A total of 36 new records (66 individuals) from 18 marine caves and caverns of the Aegean and northeastern Levantine Seas were assembled, belonging to the gobies Corcyrogobius liechtensteini, Didogobius splechtnai, Gammogobius steinitzi, and Thorogobius ephippiatus, the blenny Microlipophrys nigriceps, the tripterygiid Tripterygion melanurum, the speleophilic bythitid Grammonus ater, and the gobiesocid Lepadogaster cf. lepadogaster. The above species have been rarely reported from the Eastern Mediterranean Sea, with D. splechtnai and G. steinitzi being recorded for the first and second time from Greek waters, respectively, while L. cf. lepadogaster constitutes the second record of a clingfish species in a marine cave of the Aegean Sea. Interesting behavioral and ecological habits were also noted for some species, based on in situ observations and photographic evidence. Our study contributes to filling gaps in the knowledge of cave fish diversity and demonstrates that cryptobenthic mobile species in understudied cryptic habitats are more common than previously thought in the Mediterranean Sea.
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Depczynski, M., and DR Bellwood. "The role of cryptobenthic reef fishes in coral reef trophodynamics." Marine Ecology Progress Series 256 (2003): 183–91. http://dx.doi.org/10.3354/meps256183.

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10

Shelamoff, Victor, Cayne Layton, Masayuki Tatsumi, Matthew J. Cameron, Jeffrey T. Wright J, Graham J. Edgar, and Craig R. Johnson. "High kelp density attracts fishes except for recruiting cryptobenthic species." Marine Environmental Research 161 (October 2020): 105127. http://dx.doi.org/10.1016/j.marenvres.2020.105127.

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Dissertations / Theses on the topic "Cryptobenthic"

1

Troyer, Emily. "Microhabitat Association of Cryptobenthic Reef Fishes (Teleostei: Gobiidae) in the Central Red Sea." Thesis, 2018. http://hdl.handle.net/10754/627886.

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Knowledge of biodiversity within an ecosystem is essential when trying to understand the function and importance of that ecosystem. A challenge when assessing biodiversity of reef habitats is cryptobenthic fishes, which encompass many groups that have close associations with the substrate. These fishes can be behaviorally cryptic, by seeking refuge within the reef matrix, or visually cryptic, using cryptic coloration to match the surrounding habitat. These factors make visual surveys inadequate for sampling these fishes. One such group of cryptobenthic fishes are the gobies, family Gobiidae, which currently represent over 1600 species, although new species are continually being discovered. Gobies are often small (less than 5 cm), and many species will be associated with a very specific microhabitat type. Due to the understudied nature of the Red Sea, little is known about habitat preferences of gobies within the region. In order to determine the differences in goby community structure within the central Red Sea, fishes were sampled at one reef using 1 m² enclosed rotenone stations from three distinct microhabitats: hard coral, rubble, and sand. Following collection, specimens were photographed and sequenced using COI, to aid in species identification. 232 individuals were collected representing 31 species of goby. Rubble microhabitats were found to host the majority of collected gobies (69%), followed by hard coral (20.6%), then sand (9.9%). Goby assemblages in the three microhabitats were significantly different from each other, and evidence of habitat-specialists was found. These results provide essential baseline information about the ecology of understudied cryptobenthic fishes that can be used in future large-scale studies in the Red Sea region.
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Peinemann, Viktor N. Nunes. "Detecting the Unseen: Using Environmental DNA to Complement Visual Fish Surveys in the Southern Red Sea." Thesis, 2021. http://hdl.handle.net/10754/669014.

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Underwater visual censuses (UVCs) are one of the most widely used methods of studying species-rich coral reef fish assemblages. However, a considerable portion of reef fish diversity is missed or underrepresented by these traditional survey techniques. Environmental DNA (eDNA) sampling is an emerging technology that can detect traces of animal DNA from environmental samples, such as water and sediment, potentially including taxa that are missed by UVCs. Here, we assess the complementarity of eDNA to UVCs in surveying coral reef fish communities, particularly for cryptic and cryptobenthic taxa. We further investigate the effect of environmental sample source (water and sediment) and depth (10m and 30m). We conducted UVCs and eDNA sampling in three islands of the Farasan Banks, southern Saudi Arabia. A metabarcoding protocol was applied to environmental samples using a broad-spectrum fish assay targeting 16S mitochondrial DNA. Our eDNA surveys revealed 94 fish species, across 86 genera, 38 families, and 14 orders. Of the species detected by eDNA, 48.9% were also recorded on transects and 60.6% on roving diver surveys. eDNA also detected 6 cryptic, 10 cryptobenthic, and 13 pelagic species. Of these, only one (Eviota guttata) was recorded by UVCs. eDNA species composition was found to be significantly influenced by collection site (islands), and sample source (more species detected from water samples than sediment samples), but not by collection depth (10 versus 30 m depth). Our study provides further evidence that eDNA is an effective tool for the biomonitoring of tropical coral reef fish communities. However, we also stress that improvements are needed in methodology and reference sequence coverage for eDNA to realize its full potential of capturing cryptic and cryptobenthic diversity.
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