Congroidei is a suborder of ray-finned fishes belonging to the order Anguilliformes, the eels. These eels are mostly marine, although a few species of snake eel will enter freshwater, and they are found in tropical and temperate waters throughout the world.
Families and subfamiles
Congroidei contains the following extant families and subfamilies:
- Family Colocongridae <small>D. G. Smith, 1976</small> (shorttail eels)
- Family Derichthyidae <small>Gill, 1884</small> (longneck eels or narrowneck eels)
- Family Ophichthidae <small>Günther, 1870</small> (snake eels and worm eels)
- Subfamily Myrophinae <small>Kaup, 1856</small> (worm eels)
- Subfamily Ophichthinae <small>Günther, 1870</small> (snake eels)
- Family Muraenesocidae <small>Kaup, 1859</small> (pike conger eels)
- Family Nettastomatidae <small>Kaup, 1859</small> (duckbill eels)
- Family Congridae <small>Kaup, 1856</small> (conger eels)
- Subfamily Congrinae <small>Kaup, 1856</small> (congers)
- Subfamily Bathymyrinae <small>J. E. Böhlke, 1949</small>
- Subfamily Heterocongrinae <small>Günther, 1870</small> (garden eels)
References