Lepidosiren /(-sī"rĕn)/

Lep·i·do·si·ren

Lepidosiren

n.
  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. (Zool.)