Are Cutthroat Trout Extinct

Alvordensis extinct Bonneville cutthroat trout O.

Are cutthroat trout extinct. Colorado Parks and Wildlife announced Tuesday that its biologists had discovered groups of cutthroat trout living in southwest Colorado that were thought to be extinct. Weighing in at 40 pounds with stories of the trout getting up to 60 the Lahontan is the largest species of cutthroat. The record sport catch weighed 186kg and the record commercial catch was estimated at 273kg.

Lahontan cutthroat trout were listed as threatened in 1970. Snake River fine-spotted cutthroat trout O. Yellowfin cutthroat trout O.

06092018 A native species of trout thought to be extinct was found alive and well recently in Southwest Colorado. 22072017 Range reduced dramatically In the late 1880s Western settlers fished the Colorado River cutthroat trout to the point of extinction. The recovery of the Lahontan cutthroat trout is a true resurrection story.

Of which some of the species like the Alvord and Yellowfin Cutthroat Trout are considered extinct. This piscivorous trout reached 12m long. This is one of the two cutthroat trout taxa considered extinct because all known populations are hybridized with rainbow trout which were introduced into streams in the Alvord basin in the 1920s resulting in cutbows.

Not listed under the Endangered Species Act but several subspecies are considered threatened in their native ranges. Lahontan cutthroat trout O. 18102019 Generally a Cutthroat Trout Species including the Gila Trout.

Cutthroat trout are native to the Western United States. Colorado Parks and Wildlife announced the discovery of a unique genetic lineage of the. 13042018 The recovery of the Lahontan cutthroat trout is a true resurrection story.