Chemical and physical defenses of Singapore gorgonians (Octocorallia: Gorgonacea).

Abstract

Gorgonians are abundant in tropical waters and their polyps are seldom predated on. This study investigates how gorgonians defend themselves chemically and physically against fish predation. Gorgonian extracts and sclerites were incorporated into fish feed and tested on reef fishes. Laboratory bioassays using Greyhead wrasses, Halichoeres purpurescens, as… (More)

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