Froghead eel
The froghead eel is an eel in the family Colocongridae. It was described by Alfred [William Alcock] in 1889. It is a marine, deep-water dwelling eel which is known from the Indo-west Pacific, including East Africa, Madagascar, and southern Japan. It dwells at a depth range of 300–1134 metres. Males can reach a maximum total length of 50 centimetres.