DNA barcoding of fresh seafood in Australian markets reveals misleading labelling and sale of endangered species
Khalil, Andrew M., Gainsford, Ashton, and van Herwerden, Lynne (2023) DNA barcoding of fresh seafood in Australian markets reveals misleading labelling and sale of endangered species. Journal of Fish Biology, 102 (3). pp. 727-733.
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Abstract
Flake and shark samples were purchased from outlets in several coastal Australian regions and genetically barcoded using the cytochrome oxidase subunit 1 (CO1) gene to investigate labelling reliability and species-specific sources of ambiguously labelled fillets. Of the 41 shark fillet samples obtained, 23 yielded high-quality CO1 sequences, out of which 57% (n = 13) were labelled ambiguously (misleading) and 35% (n = 8) incorrectly. In contrast, barramundi fillets, which are widely available and sought after in Australian markets, were shown to be accurately labelled. Species identified from shark samples, including the shortfin mako (n = 3) and the scalloped hammerhead (n = 1), are assessed by the IUCN as endangered and critically endangered, respectively, with several others classified as vulnerable and near threatened.
| Item ID: | 78385 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1095-8649 |
| Keywords: | CO1 barcoding, fisheries, flake, shark, sustainability |
| Copyright Information: | © 2023 The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. |
| Date Deposited: | 18 Oct 2023 00:20 |
| FoR Codes: | 30 AGRICULTURAL, VETERINARY AND FOOD SCIENCES > 3005 Fisheries sciences > 300599 Fisheries sciences not elsewhere classified @ 60% 41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410401 Conservation and biodiversity @ 40% |
| SEO Codes: | 19 ENVIRONMENTAL POLICY, CLIMATE CHANGE AND NATURAL HAZARDS > 1902 Environmental policy, legislation and standards > 190299 Environmental policy, legislation and standards not elsewhere classified @ 100% |
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