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      DNA Barcoding approach reveals 17 exploited fish species, including an unrecognised species of the yellow-lined snapper complex

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      ARPHA Conference Abstracts

      Pensoft Publishers

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          Abstract

          Management of wild fisheries resources requires accurate knowledge on which species are being routinely exploited, but it can be hard to identify fishes to species level, especially in speciose fish groups where colour patterns vary with age. Snappers of the genus Lutjanus represent one such group, where fishes can be hard to identify and as a result fisheries statistics fail to capture species-level taxonomic information. This study employs DNA barcoding approaches to identify adult and juvenile Lutjanus species harvested in Malaysian wild-capture fishery. We uncovered two divergent groups of bigeye snapper ('Lutjanus lutjanus') distributed on either side of the Malay Peninsula, displaying a biogeographical pattern similar to distributions observed for many co-occurring reef distributed fish groups. One of these bigeye snapper groups almost certainly represents an unrecognized species in need of taxonomic description. The study demonstrates the utility of DNA barcoding in identifying overlooked diversity and for assessing species catch composition in a complicated but economically important taxonomic group.

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          Author and article information

          Journal
          ARPHA Conference Abstracts
          ACA
          Pensoft Publishers
          2603-3925
          March 04 2021
          March 04 2021
          : 4
          Article
          10.3897/aca.4.e65494
          © 2021

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