A biologist with Colorado Parks and Wildlife holds a San Juan cutthroat trout. The greenback cutthroat trout (Oncorhynchus clarkii stomias) is the easternmost subspecies of cutthroat trout. The creek is home to the state's last known population of greenback cutthroat trout, which Colorado designated as the state fish in 1994. Trout Unlimited, (CMCTU) involvement with the Greenback Cutthroat Trout by Allyn Kratz . As more trout species were introduced to the Colorado Region when it was first being settled, species such as the Rainbow Trout, Brown Trout, and Lake Trout hybridized with the Greenback Cutthroat Trout. Fly fishing is the most popular angling method because the subspecies feeds primarily on insects as adults, unlike introduced brown trout which are more piscivorous. The greenback cutthroat trout faces a long line of threats, many of which are human-caused. Greenback cutthroat trout, O. c. stomias, are similar to Colorado River cutthroat in coloration, however greenback cutthroat trout have larger spots. Cutthroat trout are opportunistic feeders and primari-ly consume invertebrates, small fish, and zooplankton. The numerous subspecies, such as the Tahoe, yellowfin, and Yellowstone trout, are also marked with red. The Greenback is one of 14 subspecies of Cutthroat Trout. The body and head are elon-gated. We will be fly fishing for the native Greenback Cutthroat Trout, Colorado Cutthroat Trout, Brook Trout, Rainbow Trout and Brown Trout on the many beautiful rivers and streams in the greater Rocky Mountain National Park area. We will be fly fishing for the native Greenback Cutthroat Trout, Colorado Cutthroat Trout, Brook Trout, Rainbow Trout and Brown Trout on the many beautiful rivers and streams in the greater Rocky Mountain National Park area. The Yellowstone cutthroat trout is a prized game fish. The largest individuals may weigh up to 4 lbs (1.5 kg). They were the only native trout in the western US and were remarked upon in journals of explorers such as Lewis and Clark. They have spots but they vary by individual. Many invertebrates eaten are the larval and pu- Between 2010 and 2018, the Western Native Trout Initiative has provided $157,078 in funding to 11 projects to benefit Greenback Cutthroat Trout habitat conservation. Many cutthroat trout migrate to sea when it can be reached. As he worked he moved further from his truck. Recovery History of Greenback Cutthroat Trout: Population Characteristics, Hatchery Involvement, and Bibliography Version 1.0 Michael K. Young Amy L. Harig Bruce Rosenlund Chris Kennedy nids cultured in Colorado in 1872, but other species soon followed. In fact, the greenback cutthroat trout is one of the rarest trout in the world, with only 750 individual fish remaining. There aren’t many recreational outdoor activities more popular than fishing. The Cutthroats originally populated waters from southern Alaska to central New Mexico. One major threat to the Greenback Cutthroat Trout is the hybridization with larger subspecies of trout. You will have the opportunity to fly fish on the Big Thompson River which has a fantastic meadow section and great hatches with Elk wandering about, the Fall River with the … Greenback cutthroat trout exist in only one body of water, a small stream known as Bear Creek, not far outside of Colorado Springs, Colorado. Of all cutthroat trout subspecies, the green-back generally has the … In fact, the greenback cutthroat trout is one of the rarest trout in the world, with only 750 individual fish remaining. Reliance on insects is greater in juveniles than adult trout. Because Lahontan Cutthroat Trout are not native to Utah, they were not a subspecies included as part of the Utah Cutthroat Slam. If you wish to catch a Lahontan Cutthroat Trout in Utah, Bettridge Creek is your best bet as it is the larger of the two drainages and occurs primarily on BLM land, but be prepared for fishing a small, brushy stream. Historic view of cutthroat trout distributions in the Southern Rockies (from Metcalf et al, 2007). One day in the summer of 1997 a Division of Wildlife Biologist, Gary Dowler was working on Pikes Peak.