genus xyphophorus

English Thesaurus

1. swordtails (noun.animal)

hypernym	:	fish genus,
definition	:	any of various genus of fish (noun.animal)

member holonym	:	helleri, swordtail, topminnow, xyphophorus helleri,
definition	:	freshwater fish of Central America having a long swordlike tail; popular aquarium fish (noun.animal)

member meronym	:	cyprinodontidae, family cyprinodontidae,
definition	:	large family of small soft-finned fishes; killifishes; flagfishes; swordtails; guppies (noun.animal)