Sunday, January 16, 2022

Fish found only in Colorado River basin removed from the endangered species list

DENVER – The humpback chub, a rare fish found only in the Colorado River Basin, has been returned to the brink of extinction after decades of protection, although work must continue to ensure its survival, federal officials said Monday, declaring the species endangered. to a threatened status.

The fish, which takes its name from the fleshy bump behind its head, was first listed as endangered in 1967, and its habitat was severely disrupted by the construction of a dam. Its numbers also declined with the introduction of carnivorous non-native aquatic species.

Its change of status will officially take effect November 17, in accordance with a rule published Monday in the Federal Register by the US Fisheries and Wildlife Service.

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