Anguillidae (freshwater eels) (9)
Chlopsidae (False moray) (1)
Congridae (conger eels and congers) (20)
Derichthyidae (longneck eel) (2)
Moringuidae (spaghetti eels and worm eels) (1)
Muraenesocidae (false conger eels and pike congers) (5)
Muraenidae (moray eels and morays) (48)
Nemichthyidae (snipe eels) (2)
Nettastomatidae (duckbill eels) (6)
Ophichthidae (snake eels and worm eels) (28)
Serrivomeridae (sawtooth eels) (1)
Synaphobranchidae (cutthroat eels and deepsea eels) (6)

(...) = Species count