The following four cutthroat trout species are Wyoming's four native sub-species cutthroat. These species have been widely stocked throughout the state.
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The Colorado River Cutthroat were originally the only native cutthroat trout in the Little Snake River and Green River drainages in Wyoming before fish stocking began. Since, the Colorado River Cutthroat has been stocked elsewhere in the state.
Originally the Bonneville Cutthroat trout lived exclusively in the Thomas Fork and Smith Fork drainages on the southwester border of Wyoming. They have been stocked elsewhere in the state. The Bonneville Cutthroat trout is also known as the Bear River Cutthroat.
The Snake River Cutthroat trout is native to the Snake River.
The Yellowstonce Cutthroat is a native trout to the Yellowstone drainage, including the Big Horn, Wind, and Clarks Fork rivers, the Yellowstone cutt has been widely stocked throughout Wyoming.
