Study: Fiddler crabs exchange sex for survival
By Associated Press
Wednesday, November 4, 2009 -
Wednesday, November 4, 2009 -
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ShareSYDNEY — In the world of fiddler crabs, the best form of protection for females is, apparently, having sex with the neighbors, according to an Australian study published today.
Researchers from The Australian National University in Canberra found male fiddler crabs will happily defend a nearby female against intruders — partly because the females will dole out sex in return.
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