Usual Prey Gone, a Fish Survives by Changing Predictably

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.



from News -- ScienceDaily http://ift.tt/1B1nvfo via Karis World