Sexual isolation and extreme morphological divergence in the Cumana guppy

Abstract:

Theory predicts that sexual selection can promote the evolution of reproductive isolation and speciation. Those cases in which sexual selection has led to speciation should be characterized by significant differentiation in male Display traits and correlated female preferences in the absence of post-zygoti isolation, accompanied by little genetic or other morphological differentiation.

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cumana collection map

 

 

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About oldman50

Aquaristik, Besonders Killifische aus Südamerika
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