lamper eel

English Thesaurus

1. primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue (noun.animal)

hypernym	:	agnathan, jawless fish, jawless vertebrate,
definition	:	eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms (noun.animal)

hyponym	:	petromyzon marinus, sea lamprey,
definition	:	large anadromous lamprey sometimes used as food; destructive of native fish fauna in the Great Lakes (noun.animal)

member meronym	:	family petromyzontidae, petromyzontidae,
definition	:	lampreys (noun.animal)