#swordtail__helleri__Xyphophorus_helleri freshwater fish of Central America having a long swordlike tail; popular aquarium fish
supertype: #cyprinodont any member of the family Cyprinodontidae
member of: #genus_Xyphophorus__Xyphophorus swordtails
member of: #family_Cyprinodontidae__Cyprinodontidae large family of small soft-finned fishes; killifishes; flagfishes; swordtails; guppies
member of: #order_Cypriniformes__Cypriniformes an order of animals including almost entirely freshwater fishes: characins; loaches; carp; suckers; sometimes classified as a suborder of Ostariophysi
member of: #superorder_Malacopterygii__Malacopterygii an extensive group of teleost fishes having fins supported by flexible cartilaginous rays
member of: #subclass_Teleostei__Teleostei large diverse group of bony fishes; includes most living species
member of: #class_Osteichthyes__Osteichthyes a class of fish having a skeleton composed of bone in addition to cartilage
member of: #subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata fishes; amphibians; reptiles; birds; mammals
member of: #phylum_Chordata__Chordata comprises true vertebrates and animals having a notochord
member of: #kingdom_Animalia__Animalia__animal_kingdom taxonomic kingdom comprising all living or extinct animals
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