Back to the wild: movements of a juvenile tiger shark released from a public aquarium

Oliver Jewell; Ben D'Antonio; Stacy Blane; Emily Gosden; Mike Taylor; Hannah Calich; Matthew Fraser; Ana Martins Sequeira

doi:10.1111/jfb.15464

Back to the wild: movements of a juvenile tiger shark released from a public aquarium

Oliver Jewell, Ben D'Antonio, Stacy Blane, Emily Gosden, Mike Taylor, Hannah Calich, Matthew Fraser, Ana Martins Sequeira

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Abstract

Sharks are an important attraction for aquaria; however, larger species can rarely be kept indefinitely. To date, there has been little work tracking shark movements post-release to the wild. The authors used high-resolution biologgers to monitor a sub-adult tiger shark's pre- and post-release fine-scale movements following 2 years of captivity in an aquarium. They also compared its movement with that of a wild shark tagged nearby. Despite the differences in movement between the two sharks, with vertical oscillations notably absent and greater levels of turning seen from the released shark, the captive shark survived the release. These biologgers improve insight into post-release movements of captive sharks.

Original language	English
Pages (from-to)	735-740
Number of pages	6
Journal	Journal of Fish Biology
Volume	103
Issue number	3
DOIs	https://doi.org/10.1111/jfb.15464
Publication status	Published - Sept 2023

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10.1111/jfb.15464Licence: CC BY

Dynamic assessment of threats to marine megafauna in face of global change
Martins Sequeira, A. (Investigator 01), Harcourt, R. (Investigator 02), Eguiluz, V. (Investigator 03) & Sims, D. (Investigator 04)
ARC Australian Research Council
1/07/21 → 30/05/22
Project: Research

Cite this

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abstract = "Sharks are an important attraction for aquaria; however, larger species can rarely be kept indefinitely. To date, there has been little work tracking shark movements post-release to the wild. The authors used high-resolution biologgers to monitor a sub-adult tiger shark's pre- and post-release fine-scale movements following 2 years of captivity in an aquarium. They also compared its movement with that of a wild shark tagged nearby. Despite the differences in movement between the two sharks, with vertical oscillations notably absent and greater levels of turning seen from the released shark, the captive shark survived the release. These biologgers improve insight into post-release movements of captive sharks.",

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AU - Blane, Stacy

AU - Gosden, Emily

AU - Taylor, Mike

AU - Calich, Hannah

AU - Fraser, Matthew

AU - Martins Sequeira, Ana

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Back to the wild: movements of a juvenile tiger shark released from a public aquarium

Abstract

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Dynamic assessment of threats to marine megafauna in face of global change

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