Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean.
The smooth hammerhead shark, Sphyrna zygaena, is a cosmopolitan semipelagic shark captured as bycatch in pelagic oceanic fisheries, especially pelagic longlines targeting swordfish and/or tunas. From 2012 to 2016, eight smooth hammerheads were tagged with Pop-up Satellite Archival Tags in the inter-...
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ftdoajarticles:oai:doaj.org/article:6cef082454b9436aba8c201bef3fc58f 2023-05-15T17:41:27+02:00 Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean. Catarina C Santos Rui Coelho 2018-01-01T00:00:00Z https://doi.org/10.1371/journal.pone.0198664 https://doaj.org/article/6cef082454b9436aba8c201bef3fc58f EN eng Public Library of Science (PLoS) http://europepmc.org/articles/PMC5991395?pdf=render https://doaj.org/toc/1932-6203 1932-6203 doi:10.1371/journal.pone.0198664 https://doaj.org/article/6cef082454b9436aba8c201bef3fc58f PLoS ONE, Vol 13, Iss 6, p e0198664 (2018) Medicine R Science Q article 2018 ftdoajarticles https://doi.org/10.1371/journal.pone.0198664 2022-12-31T00:40:42Z The smooth hammerhead shark, Sphyrna zygaena, is a cosmopolitan semipelagic shark captured as bycatch in pelagic oceanic fisheries, especially pelagic longlines targeting swordfish and/or tunas. From 2012 to 2016, eight smooth hammerheads were tagged with Pop-up Satellite Archival Tags in the inter-tropical region of the Northeast Atlantic Ocean, with successful transmissions received from seven tags (total of 319 tracking days). Results confirmed the smooth hammerhead is a highly mobile species, as the longest migration ever documented for this species (> 6600 km) was recorded. An absence of a diel vertical movement behavior was noted, with the sharks spending most of their time at surface waters (0-50 m) above 23°C. The operating depth of the pelagic longline gear was measured with Minilog Temperature and Depth Recorders, and the overlap with the species vertical distribution was calculated. The overlap is taking place mainly during the night and is higher for juveniles (~40% of overlap time). The novel information presented can now be used to contribute to the provision of sustainable management tools and serve as input for Ecological Risk Assessments for smooth hammerheads caught in Atlantic pelagic longline fisheries. Article in Journal/Newspaper Northeast Atlantic Directory of Open Access Journals: DOAJ Articles PLOS ONE 13 6 e0198664 |
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English |
topic |
Medicine R Science Q |
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Medicine R Science Q Catarina C Santos Rui Coelho Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean. |
topic_facet |
Medicine R Science Q |
description |
The smooth hammerhead shark, Sphyrna zygaena, is a cosmopolitan semipelagic shark captured as bycatch in pelagic oceanic fisheries, especially pelagic longlines targeting swordfish and/or tunas. From 2012 to 2016, eight smooth hammerheads were tagged with Pop-up Satellite Archival Tags in the inter-tropical region of the Northeast Atlantic Ocean, with successful transmissions received from seven tags (total of 319 tracking days). Results confirmed the smooth hammerhead is a highly mobile species, as the longest migration ever documented for this species (> 6600 km) was recorded. An absence of a diel vertical movement behavior was noted, with the sharks spending most of their time at surface waters (0-50 m) above 23°C. The operating depth of the pelagic longline gear was measured with Minilog Temperature and Depth Recorders, and the overlap with the species vertical distribution was calculated. The overlap is taking place mainly during the night and is higher for juveniles (~40% of overlap time). The novel information presented can now be used to contribute to the provision of sustainable management tools and serve as input for Ecological Risk Assessments for smooth hammerheads caught in Atlantic pelagic longline fisheries. |
format |
Article in Journal/Newspaper |
author |
Catarina C Santos Rui Coelho |
author_facet |
Catarina C Santos Rui Coelho |
author_sort |
Catarina C Santos |
title |
Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean. |
title_short |
Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean. |
title_full |
Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean. |
title_fullStr |
Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean. |
title_full_unstemmed |
Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean. |
title_sort |
migrations and habitat use of the smooth hammerhead shark (sphyrna zygaena) in the atlantic ocean. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2018 |
url |
https://doi.org/10.1371/journal.pone.0198664 https://doaj.org/article/6cef082454b9436aba8c201bef3fc58f |
genre |
Northeast Atlantic |
genre_facet |
Northeast Atlantic |
op_source |
PLoS ONE, Vol 13, Iss 6, p e0198664 (2018) |
op_relation |
http://europepmc.org/articles/PMC5991395?pdf=render https://doaj.org/toc/1932-6203 1932-6203 doi:10.1371/journal.pone.0198664 https://doaj.org/article/6cef082454b9436aba8c201bef3fc58f |
op_doi |
https://doi.org/10.1371/journal.pone.0198664 |
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PLOS ONE |
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13 |
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6 |
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e0198664 |
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