#flatfish.saltwater_fish  sweet lean whitish flesh of any of numerous thin-bodied fish; usually served as thin fillets
  supertype:  #saltwater_fish__saltwaterfish  flesh of fish from the sea used as food
  subtype:  #flounder  flesh of any of various American and European flatfish
     subtype:  #yellowtail_flounder  flesh of American flounder having a yellowish tail
     subtype:  #plaice  flesh of large European flatfish
     subtype:  #turbot  flesh of a large European flatfish
     subtype:  #sand_dab.flounder__sanddab  the lean flesh of a small flounder from the Pacific coast of North America
     subtype:  #winter_flounder__lemon_sole__lemonsole  flesh of American flounder; important in the winter
  subtype:  #fillet_of_sole__sole  lean flesh of any of several flatfish
     subtype:  #gray_sole  grayish-white flesh of a flatfish
     subtype:  #lemon_sole__lemonsole__English_sole  highly valued almost pure white flesh
  subtype:  #halibut  lean flesh of very large flatfish of Atlantic or Pacific

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