Guppies (Poecilia reticulata) are one of the few fish species to directly copulate during sex. Females of this species are promiscuous, and prefer flamboyant males with large spots of color on their ... more 
Guppies (Poecilia reticulata) are one of the few fish species to directly copulate during sex. Females of this species are promiscuous, and prefer flamboyant males with large spots of color on their bodies (shown here). less 
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LiveScience.com | Photo By © Clelia Gasparini
Tue, Feb 12, 2013 7:20 PM EST