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The Eagle Ray will bury itself in the sand by flapping its winglike fins. This movement lifts sand into the water around them which then settles and covers them.
It hunts by swimming low over the sand to sense the tiny vibrations and electrical impulses given off by its prey. It has a very sensitive underside which allows them to do this. It will often expose its prey by pumping water through its mouth and gills to shoot jets of water out of spiracles to move the sand.
Threats include; pollution and boat traffic.