File – This dateless photo provided by US Fish and Wildlife Service shows a hump chub on the Colorado River in Colorado near the Utah border. A rare fish found only in the Colorado River basin, Hampback Chub has returned endangered after decades of protection, but continuous work is needed to ensure its survival. Federal officials said on Monday, October 18, 2021. Reclassifying a species from endangered to endangered. (Travis Francis / US Fish and Wildlife Service via AP, File)
Denver (AP) — A rare fish found only in the Colorado River basin, Hampback Chub has returned endangered after decades of protection, but work to ensure its survival. Must be continued. From endangered species to endangered species.
The fish, named after the fleshy ridge behind its head, was first listed as an endangered species in 1967, and its habitat was severely destroyed by dam construction. Its numbers have also declined due to the introduction of predatory, non-native aquatic species.
The change in status will officially take effect on 17 November, based on the rules published in the Federal Register on Monday by the US Department of Fish and Wildlife.
Environmentalists oppose the delisting of endangered species. They argue that the future of the Hump Back Chub is at stake, as droughts, primarily due to climate change, reduce the flow of the Colorado River basin, including seven states in the southwestern United States and Mexico. ing.
Delisting will take place two months after the US Department of Development declares an unprecedented water shortage of the river. We also moved the razorback sucker, another rare Colorado fish, from an endangered species to an endangered species, following the July fish and wildlife proposal.
In a statement, Jen Pelz, director of the Wild Rivers Program for the Wild Earth Guardians environment group, said: Regarding climate change and the ability of these species to continue to fund a series of heroic measures to be taken each year to survive. “
Both the Fish and Wildlife Service and the Pioneer Department are part of the Ministry of Interior.
The government considers endangered species in all or many of its historic habitats to be “endangered”. Protection against “endangered” species is maintained, and its status is such that biologists improve overall populations, even if some fish may be injured. It means that you can take steps to do so.
Fish and Wildlife, in collaboration with other stakeholders such as private, state, tribe, and federal agencies, has finalized another rule to maintain existing habitat and mitigate the threat of predators and drought water currents. He said he had decided.
The largest population of Hump Back Chubs is in the Grand Canyon, with over 12,000 adult fish. Upstream of Lake Powell in Utah and the canyon in Colorado, there are four small wild populations. Species thrive in fast-flowing, rocky waterways, but require warm, muddy water to spawn.
Once widespread, the construction of the Fleming Gorge Dam in Wyoming and the Hoover Dam on the border between Nevada and Arizona has extinct populations of two other species. The eighth population of Dinosaur National Monument is also considered dead.
The United States officially removes the status of endangered fish from the Colorado River | WGN Radio 720
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