Congroidei

Congroidei is a suborder of eels in the order Anguilliformes. It contains five families:


 * Derichthyidae (Longneck eels)
 * Ophichthidae (Snake eels and worm eels)
 * Muraenesocidae (Pike congers)
 * Nettastomatidae (Duckbill eels)
 * Congridae (Congers and garden eels)
 * Colocongridae (froghead eels, short tail eels)