Bobbit worms..like hobbits but far more deadly

The Bobbit worm (Eunice aphroditois) lives on the sea floor in warmer oceans such as the Indo-Pacific and the Atlantic at depths of 10 to 40 metres, burying itself into the ocean bed to wait for smaller worms and fish to come by. It has five antennae to sense its prey, which it catches with a complex feeding apparatus called a pharynx that can turn inside-out and has strong, sharp mandibles on the end. It can grow to nearly 3 metres in length and has an average diameter of 25mm. 

Watch the bobbit worm in action here: http://bit.ly/15F0HoF