More Mates: Expression Of Female Ornaments In Evolution

Some females will do anything to land a mate.    Biologists have described the evolution of the size of a female trait which males prefer when choosing a partner. The study in Evolutionary Biology shows that male cichlid fish prefer females with a larger pelvic fin and that this drives females to grow fins out of proportion with their body size. Sebastian Baldauf from the University of Bonn, Germany, worked with a team of researchers to study the effects of female ornamentation in the African cichlid fish Pelvicachromis taeniatus. He said, “In contrast to the well-known phenomenon of sexual selection influencing male traits, the expression of female ornaments in relation to body size is almost completely unexplored.” read more

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