Nez Perce people historically depended on various Pacific salmon and Pacific trout for their food: Chinook salmon or ""nacoox"" (Oncorhynchus tschawytscha) were eaten the most, but other species such as Pacific lamprey (Entosphenus tridentatus or Lampetra tridentata), and chiselmouth were eaten too. Other important fishes included the Sockeye salmon (Oncorhynchus nerka), Silver salmon or "ka'llay" (Oncorhynchus kisutch), Chum salmon or dog salmon or "ka'llay" (Oncorhynchus keta), Mountain whitefish or ""ci'mey"" (Prosopium williamsoni), White sturgeon (Acipenser transmontanus), White sucker or ""mu'quc"" (Catostomus commersonii), and varieties of trout – West Coast steelhead or ""heyey"" (Oncorhynchus mykiss), brook trout or ""pi'ckatyo"" (Salvelinus fontinalis), bull trout or ""i'slam"" (Salvelinus confluentus), and Cutthroat trout or ""wawa'lam"" (Oncorhynchus clarkii).