Coloconger

The Colocongridae, the worm eels or short-tail eels, are a family of eels, containing a single genus, Coloconger.

Colongrids are found in tropical waters of the Atlantic, Indian, and West Pacific oceans. They are bottom-dwelling fish, living in waters from 300 to 900 m in depth. Compared with other eels, they have relatively short and stubby bodies, with blunt snouts.

Species
The ten known species are:

Family Colocongridae
 * Genus Coloconger
 * Coloconger cadenati Kanazawa, 1961
 * Coloconger canina (Castle & Raju, 1975)
 * Coloconger eximia (Castle, 1967)
 * Coloconger giganteus (Castle, 1959) (giant leptocephalus) (validity doubtful)
 * Coloconger japonicus Machida, 1984
 * Coloconger maculatus HO, H.-C. ., TANG, C.-N. ., & CHU, T.-W. . (2021)
 * Coloconger meadi Kanazawa, 1957
 * Coloconger raniceps Alcock, 1889 (froghead eel)
 * Coloconger saldanhai (Quéro, 2001)
 * Coloconger scholesi W. L. Y. Chan, 1967 (Indo-Pacific short-tail conger)