an Entity references as follows:
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)