Contact: Andy Fell
University of California - Davis
Caption: The sea stars Cryptasperina hystera and C. pentagona are close relatives with very different ways of reproducing. Pentagona is a broadcast spawner, and hystera broods its young internally. A new study shows the species separated just a few thousand years ago.
Credit: Credit: Jon Puritz, University of Hawaii at Manoa
Usage Restrictions: May be used with acknowledgment of the source.
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