Congroidei is a suborder of eels in the order

Anguilliformes Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult sta ...

. It contains five families: *

Derichthyidae Longneck eels or neck eels are a family, Derichthyidae, of eels. They are pelagic fishes, found in the middle and depths of most oceans. The name comes from Greek ''deres'' meaning "neck" and ''ichthys'' meaning "fish". They are distinguished b ...

(Longneck eels) * Ophichthidae (Snake eels and worm eels) * Muraenesocidae (Pike congers) * Nettastomatidae (Duckbill eels) *

Congridae The Congridae are the family of conger and garden eels. Congers are valuable and often large food fishes, while garden eels live in colonies, all protruding from the sea floor after the manner of plants in a garden (thus the name). The family i ...

(Congers and garden eels)

References

Eels Ray-finned fish suborders {{Anguilliformes-stub