Hydrodynamic drag constrains head enlargement for mouthbrooding in cichlids

Other literature type English OPEN
Van Wassenbergh, Sam; Potes, Nuno Zavattieri; Adriaens, Dominique;

Presumably as an adaptation for mouthbrooding, many cichlid fish species have evolved a prominent sexual dimorphism in the adult head. Since the head of fishes serves as a bow during locomotion, an evolutionary increase in head volume to brood more eggs can trade-off wi... View more
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