Variation in the diet and feeding morphology of polyphenic Lepomis macrochirus
Bluegill Lepomis macrochirus showed variation in their diet and trophic morphology based on habitat. Pelagic L. macrochirus feed almost exclusively on cladocerans; littoral L. macrochirus feed on a variety of benthic invertebrates, molluscs, cladocerans and insects. Fish from the littoral habitat had wider pharyngeal jaws, which probably allowed them to crush gastropods and process benthic invertebrates.
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Document Type: Research Article
Publication date: 2013-01-01