Serendipitous re-sighting of a basking shark Cerorhinus maximus reveals inter-annual connectivity between American and European coastal hotspots

A female basking shark Cetorhinus maximus was tagged with a satellite transmitter at Malin Head, Ireland and re-sighted 993 days later at Cape Cod, USA, a distance of 4632km.Transatlantic stock mixing in basking sharks is supported by low genetic diversity in populations throughout the Atlantic Ocea...

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Bibliographic Details
Published in:Journal of Fish Biology
Main Authors: Johnston, E. M., Mayo, P., Mensink, P. J., Houghton, J.D.R., Eric, Savestsky
Format: Article in Journal/Newspaper
Language:English
Published: 2019
Subjects:
Cetorhinus maximus
Online Access:https://pure.qub.ac.uk/en/publications/2f603d9b-7d8e-438b-8952-9d27280abb69
https://doi.org/10.1111/jfb.14163
https://pureadmin.qub.ac.uk/ws/files/188306241/BaskingShark.pdf
Description
Summary:A female basking shark Cetorhinus maximus was tagged with a satellite transmitter at Malin Head, Ireland and re-sighted 993 days later at Cape Cod, USA, a distance of 4632km.Transatlantic stock mixing in basking sharks is supported by low genetic diversity in populations throughout the Atlantic Ocean but this is the only record to date of transatlantic movement by basking shark despite significant focus on the species’ movements; > 1500 individual sharks tagged conventionally and > 150 individuals with remote tracking tags.

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