Callechelys springeri
Callechelys springeri, the ridgefin eel, is an eel in the family Ophichthidae. It was described by Isaac Ginsburg in 1951, originally under the genus Gordiichthys. It is a marine, tropical eel which is known from the eastern Gulf of Mexico, in the western Atlantic Ocean. It dwells at a depth range of. Males can reach a maximum total length of.