#family_Cyprinodontidae__Cyprinodontidae  large family of small soft-finned fishes; killifishes; flagfishes; swordtails; guppies
  supertype:  #fish_family  any of various families of fish
  member of:  #order_Cypriniformes
  member:  #cyprinodont  any member of the family Cyprinodontidae
  member:  #genus_Fundulus__Fundulus  killifish
     member:  #mummichog__Fundulus_heteroclitus  silver-and-black killifish of saltwater marshes along the United States Atlantic coast
     member:  #striped_killifish__stripedkillifish__mayfish__fundulusmajali  black-barred fish of bays and coastal marshes of United States Atlantic and Gulf coasts
  member:  #genus_Rivulus  killifish
     member:  #rivulus__rivulu  found in small streams of tropical America; often kept in aquariums; usually hermaphroditic
  member:  #genus_Jordanella__Jordanella  flagfishes
     member:  #American_flagfish__flagfish__Jordanella_floridae  flagfish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida
  member:  #genus_Xyphophorus__Xyphophorus  swordtails
     member:  #swordtail__helleri__Xyphophorus_helleri  freshwater fish of Central America having a long swordlike tail; popular aquarium fish
  member:  #genus_Lebistes__Lebistes  guppies

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