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Pacific Conservation Biology Pacific Conservation Biology Society
A journal dedicated to conservation and wildlife management in the Pacific region.
RESEARCH ARTICLE (Open Access)

Whale sharks as oceanic nurseries for Golden Trevally

M. Sheaves https://orcid.org/0000-0003-0662-3439 A B * , C. Mattone https://orcid.org/0000-0003-2863-223X A B , A. Barnett A B , K. Abrantes A B , M. Bradley A B , A. Sheaves A B , J. Sheaves A B and N. J. Waltham A B C
+ Author Affiliations
- Author Affiliations

A College of Science and Engineering, James Cook University, Townsville, Qld, Australia.

B Marine Data Technology Hub, James Cook University, Townsville, Qld, Australia.

C TropWater, James Cook University, Townsville, Qld, Australia.

* Correspondence to: Marcus.sheaves@jcu.edu.au

Handling Editor: Alan Lymbery

Pacific Conservation Biology 30, PC23004 https://doi.org/10.1071/PC23004
Submitted: 12 January 2023  Accepted: 4 June 2023  Published: 3 July 2023

© 2024 The Author(s) (or their employer(s)). Published by CSIRO Publishing. This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND)

Abstract

The Golden Trevally, Gnathanodon speciosus, is a large predatory fish with an extremely broad tropical Indo-Pacific distribution that crosses many biogeographical boundaries. Both published information and freely available imagery suggest that small juvenile G. speciosus are often associated with whale sharks, Rhincodon typus; an association that could explain the unusually widespread distribution of G. speciosus, and suggests a novel nursery relationship. The possibility of such an association has the potential to reshape our understanding of the ecological roles played by long-range migrants such as R. typus and other megafauna, our understanding of the full extent of their conservation value, and how we manage both members of the relationship.

Keywords: commensalism, dispersal, Gnathanodon speciosus, Golden Trevally, Indo-Pacific, mobile nurseries, Rhincodon typus, whale shark.

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