Gaping Behavior in Larval Cichlid Fish (VIDEO)

University of Massachusetts Amherst

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Evolutionary biologist Craig Albertson at UMass Amherst found that the rate at which larval fish exercise their jaw muscles in a gaping behavior influences how the skull develops. The more vigorously it exercises the more response is seen in bone development, particularly a critical bone used in opening the jaw.

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UMass Amherst

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