Thursday 5 March 2015

Usual prey gone, a fish survives by changing predictably

Date:
March 4, 2015

Source:
Case Western Reserve University

Summary:
Without the Bahamas mosquitofish to eat, bigmouth sleepers slide down the food chain and survive on insects, snails and crustaceans. And, in so doing, sleepers' behaviors, ratio of males to females and physical appearance change, too.


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