Friday, May 3, 2013

Discovery News: Why Shark Embryos Eat Each Other Up in Utero

Shark embryo
May 1, 2013 
By Tia Ghose, LiveScience 

Shark embryos cannibalize their littermates in the womb, with the largest embryo eating all but one of its siblings. 

Now, researchers know why: It's part of a struggle for paternity in utero, where babies of different fathers compete to be born... 

Read the full article here (includes more photos)
Photo from article

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