High resolution biologging of breaching by the world’s second largest shark species

Abstract Basking sharks, the world’s second largest fish, are endangered globally following two centuries of large-scale exploitation for their oily livers. In the northeast Atlantic, they seasonally gather in key sites, including the western Scottish Isles, where they feed on plankton, but their br...

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Autores principales:	Jessica L. Rudd, Owen M. Exeter, Jackie Hall, Graham Hall, Suzanne M. Henderson, Christopher Kerry, Matthew J. Witt, Lucy A. Hawkes
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/263c717b29c249d69dd02786fc094eab
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spelling	oai:doaj.org-article:263c717b29c249d69dd02786fc094eab2021-12-02T13:34:47ZHigh resolution biologging of breaching by the world’s second largest shark species10.1038/s41598-021-84670-32045-2322https://doaj.org/article/263c717b29c249d69dd02786fc094eab2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84670-3https://doaj.org/toc/2045-2322Abstract Basking sharks, the world’s second largest fish, are endangered globally following two centuries of large-scale exploitation for their oily livers. In the northeast Atlantic, they seasonally gather in key sites, including the western Scottish Isles, where they feed on plankton, but their breeding grounds are currently completely unknown. Using high-resolution three-axis accelerometry and depth logging, we present the first direct records of breaching by basking sharks over 41 days. We show that basking sharks breach both during the night and day, starting at approximately 20 m depth and can breach multiple times in short succession. We also present early evidence of potential lateralisation in basking sharks. Given the energetic nature of breaching, it should have an important biological function, but this remains unclear.Jessica L. RuddOwen M. ExeterJackie HallGraham HallSuzanne M. HendersonChristopher KerryMatthew J. WittLucy A. HawkesNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jessica L. Rudd Owen M. Exeter Jackie Hall Graham Hall Suzanne M. Henderson Christopher Kerry Matthew J. Witt Lucy A. Hawkes High resolution biologging of breaching by the world’s second largest shark species
description	Abstract Basking sharks, the world’s second largest fish, are endangered globally following two centuries of large-scale exploitation for their oily livers. In the northeast Atlantic, they seasonally gather in key sites, including the western Scottish Isles, where they feed on plankton, but their breeding grounds are currently completely unknown. Using high-resolution three-axis accelerometry and depth logging, we present the first direct records of breaching by basking sharks over 41 days. We show that basking sharks breach both during the night and day, starting at approximately 20 m depth and can breach multiple times in short succession. We also present early evidence of potential lateralisation in basking sharks. Given the energetic nature of breaching, it should have an important biological function, but this remains unclear.
format	article
author	Jessica L. Rudd Owen M. Exeter Jackie Hall Graham Hall Suzanne M. Henderson Christopher Kerry Matthew J. Witt Lucy A. Hawkes
author_facet	Jessica L. Rudd Owen M. Exeter Jackie Hall Graham Hall Suzanne M. Henderson Christopher Kerry Matthew J. Witt Lucy A. Hawkes
author_sort	Jessica L. Rudd
title	High resolution biologging of breaching by the world’s second largest shark species
title_short	High resolution biologging of breaching by the world’s second largest shark species
title_full	High resolution biologging of breaching by the world’s second largest shark species
title_fullStr	High resolution biologging of breaching by the world’s second largest shark species
title_full_unstemmed	High resolution biologging of breaching by the world’s second largest shark species
title_sort	high resolution biologging of breaching by the world’s second largest shark species
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/263c717b29c249d69dd02786fc094eab
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High resolution biologging of breaching by the world’s second largest shark species

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