Ecology and fishing impacts on aquarium fishes on mesophotic reefs in Hawaii

Tissot, Brian N. (Brian Nelson); Kane, Cori; Walsh, William J.; Waddell, Jenny

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Ecology and fishing impacts on aquarium fishes on mesophotic reefs in Hawaii

2015
By Tissot, Brian N. (Brian Nelson) ; Kane, Cori ; Walsh, William J. ; ...

[PDF-1.59 MB]

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Details:

Alternative Title:

Changes in coral reef fish community structure along a depth gradient in West Hawaii
Personal Author:

Tissot, Brian N. (Brian Nelson) ; Kane, Cori ; Walsh, William J. ; Waddell, Jenny

Tissot, Brian N. (Brian Nelson) ; Kane, Cori ; Walsh, William J. ; Waddell, Jenny Less -
Corporate Authors:

Coral Reef Conservation Program (U.S.) ; United States, National Ocean Service,

Coral Reef Conservation Program (U.S.) ; United States, National Ocean Service, Less -
NOAA Program & Office:

CoRIS (Coral Reef Information System) ; NOS (National Ocean Service)

CoRIS (Coral Reef Information System) ; NOS (National Ocean Service) Less -
Description:

Reef fish community structure and habitat associations are well documented for shallow coral reefs (<20m) but are largely unknown in deeper extensions of reefs (mesophotic reefs; >30m). We examined reef fish community structure and benthic composition at depth intervals from 3-40m in West Hawaii. Reef fish species richness and abundance peaked between 12-20m. Fish community structure changed slowly with depth, with more than 85% of species observed at mesophotic depths also found in shallow reef habitats. Depth-related differences appear to be linked more closely with species' feeding behavior than with taxonomic structure, as the relative abundance of herbivorous fishes decreased and planktivorous fishes increased with depth. More than 51% of the variation in reef fish community structure was explained by depth, while only 17% was explained by differences in sites, indicating depth plays a predominant role in structuring communities. Habitat analyses show that coral cover peaks from 12-20m and deeper depths are dominated by sand and macroalgal cover. Peaks in coral cover correspond with peaks in reef fish richness and density, suggesting that changes in community composition with depth are likely a result of habitat structure and availability.
Keywords:

[+]

Coral Reef Ecology Coral Reef Fishes Effect Of Fishing On Fish Populations Habitat
Document Type:

Miscellaneous
Funding:

Funding: NOAA Coral Reef Conservation Program, National Ocean Service, NA13NOS4820026,; project number: 198.;
Place as Subject:

Hawaii
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:8a30317daa9524b7e2d53b69170c94aa2b2eda51f981708798f53c2cc162cec4
Download URL:

https://repository.library.noaa.gov/view/noaa/16024/noaa_16024_DS1.pdf
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Ecology and fishing impacts on aquarium fishes on mesophotic reefs in Hawaii

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