; superorder Elopomorpha, order Anguilliformes)
A small family of marine fish that have an eel-like body covered with scales, a large mouth, and well-developed pectoral fins, the dorsal and anal fins being confluent with the tail fin. The gill openings are placed close together on the underside of the throat. They tend to be deep-sea fish. There are about 11 species, distributed world-wide.
Subjects: Zoology and Animal Sciences.