Westslope cutthroat trout
| Westslope cutthroat trout | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Salmoniformes |
| Family: | Salmonidae |
| Genus: | Oncorhynchus |
| Species: | |
| Subspecies: | O. l. lewisi |
| Trinomial name | |
| Oncorhynchus lewisi lewisi (G. Suckley, 1856) | |
| The historic distribution of westslope cutthroat trout in the United States (modified from Behnke 1992). The large region consists primarily of the upper Columbia River and upper Missouri River basins; some waters in the eastern part of this region may not have been occupied historically (MTFWP, in litt. 1998). Also shown are the Lake Chelan and Methow River drainages in Washington and the John Day River drainage in Oregon. | |
| Synonyms | |
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The Westslope cutthroat trout (Oncorhynchus lewisi) is a freshwater salmonid in the cutthroat trout complex. The nominate subspecies, also known as the Missouri River cutthroat trout, is Oncorhynchus lewisi lewisi. The Westslope cutthroat trout is the Montana state fish. The Westslope cutthroat trout is a species of concern in Montana and British Columbia ranges and is considered threatened in its native range in Alberta.