Eunice aphroditois
Eunice aphroditois, also known as the bobbit worm (or bobbitt worm) or sand striker, is an ambush predator of the sea floor. It is a polychaete worm dwelling in a burrow on the ocean floor. It buries its long body into the ocean bed of gravel, mud, or corals. It waves a few feelers (antennae) as a kind of lure.