#killifish  small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito control
  supertype:  #cyprinodont  any member of the family Cyprinodontidae
  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

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