How fish hunt out fleas in the Mississippi mud

时间:2019-03-07 07:10:20166网络整理admin

By Claire Ainsworth AN electric “sixth sense” unerringly guides paddlefish to their prey, researchers in the US have discovered. They say that young paddlefish ( Polyodon spathula) rely exclusively on this electric sense to hunt their food in the murky waters of the Mississippi river. Paddlefish get their name from their long snout, or paddle, which is studded with sensory organs that can detect electric fields. Adult fish have a simple technique for catching their food. They feed by swimming around with their mouths open,