Water Drone Identifies Grouper Mating Calls During Spawning Season (AUDIO)

Florida Atlantic University

Caption

Each grouper species is identified through the unique sounds that are produced by muscles contracting against their swim bladder. These sounds can best be described like that of a boom on a beating drum. Often, the fish make these sounds in territorial defense or during courtship of females ready to spawn eggs.

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Dr. Michelle Sharer, University of Puerto-Rico, Mayaguez

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