lamprey eel(n = noun.animal) lamper eel, lamprey - primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue;
is a kind of agnathan, jawless fish, jawless vertebrate
is a member of family petromyzontidae, petromyzontidae
has particulars: petromyzon marinus, sea lamprey

blind eel, common eel, conger eel, congo eel, eel, electric eel, freshwater eel, lamper eel, lamprey, moray eel, sand eel, sea eel, sea lamprey, vinegar eel, wheat eel