News From the Field
Biologists link sexual selection and placenta formation
July 9, 2014
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Sexual selection enhances opportunities to mate, the tail of male peacocks being an iconic example. Biologists at the University of California, Riverside, have found that sexual selection and "placentation"--the formation of a placenta--are linked. Describing the life histories of more than 150 species of fish in the family Poeciliidae, the researchers found that species with placentas tend to have males that do not have bright coloration, ornamentation or courtship displays.Full Story
University of California, Riverside
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