Paddlefish hunt for small animals with their big bills. The bills have sensors that detect small waves produced by very small animals (Thomas)."The paddlefish sensors best encode the signals emitted by zooplankton," according to an AIP Physics News Highlights report.” The heartbeat of the plankton is what the spoonbill receive.The paddlefish open their mouth and swim to the school and eat them. This way of hunting is very useful considering the paddlefishes size.
Paddlefish eat lots of small aquatic animals. Plankton is their main source of food but paddlefish