The cutthroat trout (Oncorhynchus clarki) is a species of freshwater fish in the salmon family (family Salmonidae) of order Salmoniformes. It is one of the many trouts. In biology, a species is the basic unit of biodiversity. ... For the village on the Isle of Wight, see Freshwater, Isle of Wight. ... Groups Conodonta Hyperoartia Petromyzontidae (lampreys) Pteraspidomorphi (early jawless fish) Thelodonti Anaspida Cephalaspidomorphi (early jawless fish) Galeaspida Pituriaspida Osteostraci Gnathostomata (jawed vertebrates) Placodermi Chondrichthyes (cartilaginous fish) Acanthodii Osteichthyes (bony fish) Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Actinistia (coelacanths) Dipnoi (lungfish) A fish is a poikilothermic (cold-blooded) water-dwelling... The Chinook or King Salmon is the largest salmon in North America and can grow up to 58 long and 126 pounds. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Genera (see text) Salmonidae is a family of ray-finned fish, the only family of order Salmoniformes. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Genera (see text) Salmonidae is a family of ray-finned fish, the only family of order Salmoniformes. ... Rainbow trout (Oncorhynchus mykiss) Biwa trout (Oncorhynchus masou subsp) Trout is the common name given to a number of species of freshwater fishes belonging to the salmon family, Salmonidae. ...

Cutthroat trout are native to western North America. Some populations will live in the Pacific Ocean as adults and return to fresh water to spawn in the spring. These sea-run cutthroat trouts are very sought after in fly fishing. World map showing North America A satellite composite image of North America North America is a continent in the northern hemisphere bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the south by the Caribbean Sea, and on the west by the... Fly rod and reel with a wild brown trout from a chalk stream. ...

Cutthroat are similar to rainbow trout and will readily interbreed. Cutthroat trout have greenish backs with black spots and red marks in the bottom of their jaws. Binomial name Oncorhynchus mykiss Walbaum, 1792 The rainbow trout (Oncorhynchus mykiss, a. ...

There are about 14 separate subspecies of Cutthroat Trout, including: In zoology, as in other branches of biology, subspecies is the rank immediately subordinate to a species. ...

• Alvord cutthroat trout Oncorhynchus clarki subsp. (un-named; extinct)
• Bonneville cutthroat trout Oncorhynchus clarki utah
• Coastal cutthroat trout Oncorhynchus clarki clarki
• Colorado River cutthroat trout Oncorhynchus clarki plutriticus
• Greenback cutthroat trout Oncorhynchus clarki stomias
• Lahontan cutthroat trout Oncorhynchus clarki henshawi
• Snake River fine-spotted cutthroat trout Oncorhynchus clarki subsp. (un-named; possibly synonymous with O. c. bouvieri)
• Westslope cutthroat trout Oncorhynchus clarki lewisi
• Yellowfin cutthroat trout Oncorhynchus clarki macdonaldi
• Yellowstone cutthroat trout Oncorhynchus clarki bouvieri