#flatfish  any of several families of fishes having flattened bodies that swim along the sea floor on one side of the body with both eyes on the upper side
  supertype:  spiny-finned_fish__acanthopterygian  a teleost fish with fins that are supported by sharp inflexible rays
  subtype:  flounder.flatfish  righteye_flounder  holibut  lefteye_flounder  tonguefish  sole.flatfish
  member of:  order_Heterosomata__Heterosomata__order_Pleuronectiformes  flatfishes: halibut; sole; flounder; plaice; turbot; tonguefishes
     member of:  superorder_Acanthopterygii__Acanthopterygii  teleost fishes having fins with sharp bony 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

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