Male guppies ensure successful mating with genital claws

[unable to retrieve full-text content]Some males will go to great lengths to pursue a female and take extreme measures to hold on once they find one that interests them, even if that affection is unrequited. New research from evolutionary biologists shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/strange_science/~3/-cABtDwbE5w/130724103225.htm

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