#cyprinodont  any member of the family Cyprinodontidae
  supertype:  cypriniform_fish__cypriniformfish  a soft-finned fish of the order Cypriniformes
  member of:  family_Cyprinodontidae
  subtype:  killifish  small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito control
     subtype:  mummichog__Fundulus_heteroclitus  silver-and-black killifish of saltwater marshes along the United States Atlantic coast
     subtype:  striped_killifish__stripedkillifish__mayfish__fundulusmajali  black-barred fish of bays and coastal marshes of United States Atlantic and Gulf coasts
     subtype:  rivulus__rivulu  found in small streams of tropical America; often kept in aquariums; usually hermaphroditic
     subtype:  American_flagfish__flagfish__Jordanella_floridae  flagfish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida
  subtype:  swordtail__helleri__Xyphophorus_helleri  freshwater fish of Central America having a long swordlike tail; popular aquarium fish
  subtype:  guppy__rainbow_fish__rainbowfish__Lebistes_reticulatus  small freshwater fish of South America and West Indies; often kept in aquariums

No statement uses or specializes cyprinodont; click here to add one.