Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform
The international effort to prevent the collapse of Atlantic bluefin tuna (BFT, Thunnus thynnus, Scombridae) stocks exemplifies the challenges associated with modern marine resource conservation. Rampant mismanagement, under-reporting and illegal, unreported and unregulated fishing led to decades of...
Published in: | Reviews in Fish Biology and Fisheries |
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ftunivgent:oai:archive.ugent.be:7715029 2023-06-11T04:11:48+02:00 Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform Puncher, Gregory Alemany, Francisco Arrizabalaga, Haritz Cariani, Alessia Tinti, Fausto 2015 application/pdf https://biblio.ugent.be/publication/7715029 http://hdl.handle.net/1854/LU-7715029 https://doi.org/10.1007/s11160-015-9390-1 https://biblio.ugent.be/publication/7715029/file/7738984 eng eng https://biblio.ugent.be/publication/7715029 http://hdl.handle.net/1854/LU-7715029 http://dx.doi.org/10.1007/s11160-015-9390-1 https://biblio.ugent.be/publication/7715029/file/7738984 No license (in copyright) info:eu-repo/semantics/openAccess REVIEWS IN FISH BIOLOGY AND FISHERIES ISSN: 0960-3166 Biology and Life Sciences Fish larvae Bluefin tuna THUNNUS-THYNNUS L WESTERN MEDITERRANEAN SEA EGG-PRODUCTION METHOD EARLY-LIFE STAGES GADUS-MORHUA L POPULATION-STRUCTURE GENUS THUNNUS DNA BARCODES PHYLOGENETIC-RELATIONSHIPS GULF-OF-MEXICO Barcoding Taxonomy Misidentification Fisheries journalArticle info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2015 ftunivgent https://doi.org/10.1007/s11160-015-9390-1 2023-05-10T22:41:14Z The international effort to prevent the collapse of Atlantic bluefin tuna (BFT, Thunnus thynnus, Scombridae) stocks exemplifies the challenges associated with modern marine resource conservation. Rampant mismanagement, under-reporting and illegal, unreported and unregulated fishing led to decades of over-exploitation in the BFT fishery. Surveys of larval abundance in the Gulf of Mexico and the Mediterranean Sea have been used as a proxy for both spawning biomass and recruitment by researchers working to improve estimates of stock abundance. Recent genetic barcoding studies have revealed that species identification errors are common among larvae surveys that use morphology-based taxonomy alone. Misidentification of larvae can lead to uncertainty about the spatial distribution of a species, confusion over life history traits and population dynamics, and potentially disguise the collapse or recovery of localized spawning sites. In an effort to identify the source of these errors, we review several weaknesses in modern morphology-based taxonomy including demographic decline of expert taxonomists, flawed identification keys, reluctance of the taxonomic community to embrace advances in digital communications and a general scarcity of modern user-friendly materials. Recent advances in molecular techniques useful for specimen identification and population studies are discussed at length. We advocate a more constructive integration of morphology-based taxonomy and barcoding in order to add confidence to larval surveys and to strengthen associated fisheries management. Article in Journal/Newspaper Gadus morhua Ghent University Academic Bibliography Reviews in Fish Biology and Fisheries 25 3 485 502 |
institution |
Open Polar |
collection |
Ghent University Academic Bibliography |
op_collection_id |
ftunivgent |
language |
English |
topic |
Biology and Life Sciences Fish larvae Bluefin tuna THUNNUS-THYNNUS L WESTERN MEDITERRANEAN SEA EGG-PRODUCTION METHOD EARLY-LIFE STAGES GADUS-MORHUA L POPULATION-STRUCTURE GENUS THUNNUS DNA BARCODES PHYLOGENETIC-RELATIONSHIPS GULF-OF-MEXICO Barcoding Taxonomy Misidentification Fisheries |
spellingShingle |
Biology and Life Sciences Fish larvae Bluefin tuna THUNNUS-THYNNUS L WESTERN MEDITERRANEAN SEA EGG-PRODUCTION METHOD EARLY-LIFE STAGES GADUS-MORHUA L POPULATION-STRUCTURE GENUS THUNNUS DNA BARCODES PHYLOGENETIC-RELATIONSHIPS GULF-OF-MEXICO Barcoding Taxonomy Misidentification Fisheries Puncher, Gregory Alemany, Francisco Arrizabalaga, Haritz Cariani, Alessia Tinti, Fausto Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform |
topic_facet |
Biology and Life Sciences Fish larvae Bluefin tuna THUNNUS-THYNNUS L WESTERN MEDITERRANEAN SEA EGG-PRODUCTION METHOD EARLY-LIFE STAGES GADUS-MORHUA L POPULATION-STRUCTURE GENUS THUNNUS DNA BARCODES PHYLOGENETIC-RELATIONSHIPS GULF-OF-MEXICO Barcoding Taxonomy Misidentification Fisheries |
description |
The international effort to prevent the collapse of Atlantic bluefin tuna (BFT, Thunnus thynnus, Scombridae) stocks exemplifies the challenges associated with modern marine resource conservation. Rampant mismanagement, under-reporting and illegal, unreported and unregulated fishing led to decades of over-exploitation in the BFT fishery. Surveys of larval abundance in the Gulf of Mexico and the Mediterranean Sea have been used as a proxy for both spawning biomass and recruitment by researchers working to improve estimates of stock abundance. Recent genetic barcoding studies have revealed that species identification errors are common among larvae surveys that use morphology-based taxonomy alone. Misidentification of larvae can lead to uncertainty about the spatial distribution of a species, confusion over life history traits and population dynamics, and potentially disguise the collapse or recovery of localized spawning sites. In an effort to identify the source of these errors, we review several weaknesses in modern morphology-based taxonomy including demographic decline of expert taxonomists, flawed identification keys, reluctance of the taxonomic community to embrace advances in digital communications and a general scarcity of modern user-friendly materials. Recent advances in molecular techniques useful for specimen identification and population studies are discussed at length. We advocate a more constructive integration of morphology-based taxonomy and barcoding in order to add confidence to larval surveys and to strengthen associated fisheries management. |
format |
Article in Journal/Newspaper |
author |
Puncher, Gregory Alemany, Francisco Arrizabalaga, Haritz Cariani, Alessia Tinti, Fausto |
author_facet |
Puncher, Gregory Alemany, Francisco Arrizabalaga, Haritz Cariani, Alessia Tinti, Fausto |
author_sort |
Puncher, Gregory |
title |
Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform |
title_short |
Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform |
title_full |
Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform |
title_fullStr |
Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform |
title_full_unstemmed |
Misidentification of bluefin tuna larvae : a call for caution and taxonomic reform |
title_sort |
misidentification of bluefin tuna larvae : a call for caution and taxonomic reform |
publishDate |
2015 |
url |
https://biblio.ugent.be/publication/7715029 http://hdl.handle.net/1854/LU-7715029 https://doi.org/10.1007/s11160-015-9390-1 https://biblio.ugent.be/publication/7715029/file/7738984 |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_source |
REVIEWS IN FISH BIOLOGY AND FISHERIES ISSN: 0960-3166 |
op_relation |
https://biblio.ugent.be/publication/7715029 http://hdl.handle.net/1854/LU-7715029 http://dx.doi.org/10.1007/s11160-015-9390-1 https://biblio.ugent.be/publication/7715029/file/7738984 |
op_rights |
No license (in copyright) info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1007/s11160-015-9390-1 |
container_title |
Reviews in Fish Biology and Fisheries |
container_volume |
25 |
container_issue |
3 |
container_start_page |
485 |
op_container_end_page |
502 |
_version_ |
1768387122167808000 |