Male Guppies Have A Unique Date Rape Tool - Genital Claws
Wednesday, July 24, 2013 - 10:50
in Biology & Nature
Male guppies must not be very sexy, because they have evolved an extreme way to hold on to a female that interests them, even if that affection is unrequited: claws on their genitals to make it more difficult for unreceptive females to get away during mating. read more