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The Likelihood of extinction of iconic and dominant herbivores and detritivores of Coral Reefs: the parrotfishes and surgeonfishes

Comeros-Raynal, Mia T., Choat, John H., Polidoro, Beth A., Clements, Kendall D., Abesamis, Rene, Craig, Matthew T., Lazuardi, Muhammad E., McIlwain, Jennifer, Muljadi, Andreas, Myers, Robert F., Nanola, Cleto L., Pardede, Shinta, Rocha, Luiz A., Russell, Barry C., Sanciangco, Jonness C., Stockwell, Brian, Harwell, Heather and Carpenter, Kent E. (2012). The Likelihood of extinction of iconic and dominant herbivores and detritivores of Coral Reefs: the parrotfishes and surgeonfishes. PLoS One,7(7):e39825.

Document type: Journal Article
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IRMA ID 82057923xPUB321
Title The Likelihood of extinction of iconic and dominant herbivores and detritivores of Coral Reefs: the parrotfishes and surgeonfishes
Author Comeros-Raynal, Mia T.
Choat, John H.
Polidoro, Beth A.
Clements, Kendall D.
Abesamis, Rene
Craig, Matthew T.
Lazuardi, Muhammad E.
McIlwain, Jennifer
Muljadi, Andreas
Myers, Robert F.
Nanola, Cleto L.
Pardede, Shinta
Rocha, Luiz A.
Russell, Barry C.
Sanciangco, Jonness C.
Stockwell, Brian
Harwell, Heather
Carpenter, Kent E.
Journal Name PLoS One
Publication Date 2012
Volume Number 7
Issue Number 7
ISSN 1932-6203   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-84863829195
Start Page e39825
Total Pages 13
Place of Publication United States
Publisher Public Library of Science
HERDC Category C1 - Journal Article (DIISR)
Abstract Parrotfishes and surgeonfishes perform important functional roles in the dynamics of coral reef systems. This is a consequence of their varied feeding behaviors ranging from targeted consumption of living plant material (primarily surgeonfishes) to feeding on detrital aggregates that are either scraped from the reef surface or excavated from the deeper reef substratum (primarily parrotfishes). Increased fishing pressure and widespread habitat destruction have led to population declines for several species of these two groups. Species-specific data on global distribution, population status, life history characteristics, and major threats were compiled for each of the 179 known species of parrotfishes and surgeonfishes to determine the likelihood of extinction of each species under the Categories and Criteria of the IUCN Red List of Threatened Species. Due in part to the extensive distributions of most species and the life history traits exhibited in these two families, only three (1.7%) of the species are listed at an elevated risk of global extinction. The majority of the parrotfishes and surgeonfishes (86%) are listed as Least Concern, 10% are listed as Data Deficient and 1% are listed as Near Threatened. The risk of localized extinction, however, is higher in some areas, particularly in the Coral Triangle region. The relatively low proportion of species globally listed in threatened Categories is highly encouraging, and some conservation successes are attributed to concentrated conservation efforts. However, with the growing realization of man's profound impact on the planet, conservation actions such as improved marine reserve networks, more stringent fishing regulations, and continued monitoring of the population status at the species and community levels are imperative for the prevention of species loss in these groups of important and iconic coral reef fishes.
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