Feeding Habits of Bigeye Tuna (Thunnus obesus) in the Western Indian Ocean Reveal a Size-Related Shift in Its Fine-Scale Piscivorous Diet

Feeding Habits of Bigeye Tuna (Thunnus obesus) in the Western Indian Ocean Reveal a Size-Related Shift in Its Fine-Scale Piscivorous Diet

This study analyzed the piscivorous diet of bigeye tuna (Thunnus obesus) through species identification of both fish and otolith remains in stomachs of 183 bigeye tuna collected in the western Indian Ocean. A total of 642 fish remains and 1,021 fish otoliths were examined. Prey items identified in t...

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Bibliographic Details
Main Authors: Chien-Hsiang Lin, Jing-Siang Lin, Kuo-Shu Chen, Meng-Hsien Chen, Chiee-Young Chen, Chih-Wei Chang
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-11-01
Series:Frontiers in Marine Science
Subjects:
otolith
feeding ecology
dietary change
prey size distribution
Myctophidae
Online Access:https://www.frontiersin.org/articles/10.3389/fmars.2020.582571/full

Internet

https://www.frontiersin.org/articles/10.3389/fmars.2020.582571/full

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