; superorder Elopomorpha, order Anguilliformes)
A small family of marine eels that have a very elongate, slender, scaleless body, small, round, gill openings, widely separated front and rear nostrils, and small pectorals, the pelvics being rudimentary or absent. The larvae of Xenoconger fryeri (45 cm) are reputed to be fairly common in the Mediterranean. There are about 15 species found in warm to tropical seas.
Subjects: Zoology and Animal Sciences.