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Diets of coral-dwelling fishes of the genus Gobiodon with evidence of corallivory

Authors

  • R. M. Brooker,

    Corresponding author
    1. ARC Centre of Excellence for Coral Reef studies, James Cook University, Townsville, Queensland 4811, Australia
    2. School of Marine and Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia
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  • P. L. Munday,

    1. ARC Centre of Excellence for Coral Reef studies, James Cook University, Townsville, Queensland 4811, Australia
    2. School of Marine and Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia
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  • T. D. Ainsworth

    1. ARC Centre of Excellence for Coral Reef studies, James Cook University, Townsville, Queensland 4811, Australia
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Tel.: +61 7 4781 5574; fax: +61 7 4725 1570; email: rohan.brooker@jcu.edu.au

Abstract

Evidence of facultative corallivory is documented in three species of obligate coral-dwelling gobies (genus Gobiodon) based on the presence of spirocysts in gut contents. Coral-dwelling gobies also consumed a broad range of other items with gut contents dominated by algae, invertebrates and amorphous material. Dietary similarities between species suggest corallivory may be widespread in this genus.

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