Atractodenchelys phrix
Atractodenchelys phrix, known under the common name "arrowtooth eel" is an eel in the family Synaphobranchidae. It was described by Catherine H. Robins and Charles Richard Robins in 1970. It is a marine, deep water-dwelling eel which is known from its type locality in the eastern Caribbean, in the western central Atlantic Ocean. It is known to dwell at a depth range of 385–425 metres.