Fish Use Whole Bodies When They Eat, Study Finds

Fish exercise their entire body to eat.   New research published in the Proceedings of the National Academy of Sciences finds that both head and body muscles help them gulp down prey in one explosive action. About half of all vertebrates — animals with backbones — are fish with bony fins or spines. These 30,000 ray-finned fish species have evolved this similar feeding motion.  Scientists have long hypothesized about the mechanics of the process, but now researchers at Brown...

© La Voix de l'Amérique - mardi 30 juin 2015