An updated conservation agreement and strategy plan to protect the Rio Grande cutthroat trout was recently signed by the states of Colorado and New Mexico, three Native American tribes and several federal agencies. 0000004197 00000 n Stream-dwelling cutthroat trout generally inhabit mid to high-elevation streams … Climate change may exacerbate this risk factor as warmer waters may make high elevation habitats more susceptible to invasion by rainbow trout. 0000006799 00000 n The Rio Grande Cutthroat Trout Oncorhynchus clarkii virginalis is the southernmost subspecies of Cutthroat Trout, and as with the other subspecies, stream temperature regulates growth, reproductive success, distribution, and survival. Rio Grande cutthroat trout: O. c. virginalis (Girard, 1856) Native to New Mexico and southern Colorado. All rights reserved. Rio Grande cutthroat trout, Oncorhynchus clarkii virginalis, can be found in high elevation streams and lakes of the Rio Grande, Canadian, and Pecos River drainages in Colorado and New Mexico, giving it the southern-most distribution of any form of Cutthroat Trout.It now only occupies just 12 percent of its historic habitat in approximately 800 miles of streams. Blueheads and Bonnevilles – Weber River, Utah, Rio Grande Cutthroat Species Status Report, 2013 Rio Grande Cutthroat Trout Conservation Agreement. 0000002667 00000 n Fish and Wildlife Service (Service) found that listing the Rio Grande cutthroat trout (Oncorhynchus clarkii virginalis) under the Endangered Species Act is not warranted at this time. Rio Grande Cutthroat Trout . %%EOF The Rio Grande cutthroat trout (RGCT) is native to the Rio Grande, and Pecos and Canadian rivers of Colorado and New Mexico. They are pursued in New Mexico and Colorado on the Rio Grande, Pecos, and Canadian Rivers, as well as in the Guadalupe and Davis Mountains of Texas. Projects have ranged from barrier construction/restoration to keep non-native trout out of conservation waters, habitat restoration, genetics analysis, and public outreach and education. Photos courtesy of Kevin Terry. Ultimate USA Cutthroat Map. The Rio Grande cutthroat trout was likely the first New World trout to be seen by early American explorers. (PEEC Archival Photo) By Casey Harthorn, New Mexico Department of Game & Fish. The Rio Grande cutthroat trout is one of two native species of trout found in New Mexico (The other native New Mexico trout specie we have is the Gila Trout which is only found in southern part of the state). 989 28 0000001374 00000 n Rio Grande Cutthroat occupy just over 10% of their native range and are primarily confined to high elevation streams. 1016 0 obj <>stream The Rio Grande Cutthroat Trout (Oncorhynchus clarkii virginalis) historically occupied in various cool streams throughout the Rio Grande Watershed, including the Chama, Jemez Rio San Jose, the Pecos, and Canadian drainages.Today, they currently live in only about 100 headwater streams in Colorado and New Mexico (10 percent of their former range). of Game and Fish, U.S. An understanding of the upper thermal tolerance of Rio Grande Cutthroat Trout is important for developing water temperature standards and … The Mexican reports have been all but dismissed, but Garrett and Matlock (1991) provided evidence indicating that Rio Grande cutthroat were likely native to Texas. 0000033078 00000 n Rio Grande cutthroat trout are a strand representing the southern end of the cutthroat species. Rio Grande cutthroat trout thrive in clear, cold, high-altitude streams. The native range of the Rio Grande Cutthroat suspiciously cuts off right at the Texas border. Rio Grande Cutthroat Trout John N. Rinne, USDA Forest Service, Roclcy Mountain Forest and Range Experiment Station, 2500 S. Pine Knoll, Flagstaff, Arizona 86001 Introduction The Rio Grande cutthroat trout was once wide­ spread in the upper Rio Grande and Canadian River basins of northern New Mexico and south-central This southernmost subspecies of cutthroat trout, found only in New Mexico and Colorado, has already been restricted to an estimated 12% of its former range. Native range: Northern New Mexico/Southern Colorado. Historically, the Rio Grande cutthroat trout (Oncorhynchus clarkii virginalis) occupied all cool waters in the Rio Grande drainage including the Chama, Jemez, and Rio San Jose drainages, along with suitable waters of the Pecos and Canadian drainages. 0000020748 00000 n 0000027182 00000 n This beautiful trout is considered a minor subspecies of the Yellowstone cutthroat and is native to the Rio Grande, Canadian and Pecos River drainages of New Mexico and Colorado. 0000024128 00000 n Erik Myhre – Photographer. Cutthroat trout historic range via Western Trout. However due to the loss of populations across t… Therefore, the Service will remove this subspecies from the candidate list. Rio Grande Cutthroat Trout are native to the Rio Grande and Pecos River drainages of Colorado and New Mexico. Both of the photos below are of Lake Fork Conejos Rio Grande Cutthroat Trout. The aquarium at the Los Alamos Nature Center features four species of fish that are native to the Jemez River: Rio Grande Cutthroat Trout, Rio Grande Suckers, Rio Grande Chub, and Longnose Dace. The Service found that the Rio Grande cutthroat trout is not in danger of extinction throughout its range or in a significant portion of its range now, nor is it likely to become so in the foreseeable future. Photo credit: Frank Weisbarth. Those familiar with nature know that wildlife tend to care little for human boundaries. To the Rio ’ s state Fish, the Rio Grande Cutthroat trout Range-wide Conservation established... At Docket Number FWS-R2-ES-2014-0042 more than 90 perent of their historic range, in the form of lower snowpack... American explorers //www.regulations.gov at Docket Number FWS-R2-ES-2014-0042 is about 10 % of their historic range, red. Still can inspire anger and concern by WNTI featuring Rio Grande Cutthroat trout 1:35,000.... 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