lepidosiren

lepidosiren is a   Noun

Definition:

[1] An eel-shaped ganoid fish of the order Dipnoi, having both gills and lungs. It inhabits the rivers of South America. The name is also applied to a related African species (Protopterus annectens). The lepidosirens grow to a length of from four to six feet. Called also doko.

Synonyms: