Dietary and Morphological Distinctions Influencing Food Habits of Labrid Fishes at Santa Cataline Island
Bryan, Stuart W.
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The Study of coexistence among groups of organisms has led to the description of the various means by which these organisms share available habitat space and food resources. Such investigations have revealed significant differences in body size, size-selective feeding habits, morphological feeding adaptations, and behavior among constituent species as contributing factors. The present study, performed at the U.S.C. Marine Center, Santa Catalina Island, is a subtidal ecological investigation focusing on food habits of three sympatric labrid species, analyzed to determine mechanisms of coexistence. Distinctions between food habits of these teleostean fishes are stated in terms of benthic prey types and abundances available on the sandflat study site, gut content separations, and morphological differences.