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The humpback chub (Gila cypha) is a federally protected fish that lived originally in fast waters of the Colorado River system in the United States.This species takes its name from the prominent hump between the head and dorsal fin, which is thought to direct the flow of water over the body and help maintain body position in the swift currents of the Colorado river.
Humpback chub: Gila cypha: Native to Colorado. It is known to only reside in rivers but prefers slower eddies and pools with bottoms of sand, gravel, or rock substrate. Humpback chubs can reach up to lengths of 20 inches in and weigh up to 2.5 pounds. Humpback chubs are known to be a long living fish having a life span of up to 30 years. [36]
Species of Gila are collectively referred to as western chubs. The chiselmouth is a close relative (Simons & Mayden 1997), as are members of the genus Siphateles . Several members of the genus are endangered or extinct due to loss of habitat caused by diversion or overuse of water resources, particularly in the western United States.
Four species of fish native to the Colorado River basin are in danger of becoming extinct: the Colorado pikeminnow, the razorback sucker, the bonytail, and the humpback chub. The goal of the program is to stem further reductions in numbers of these species and, eventually, to create self-sustaining populations, while water development proceeds ...
Humpback Chub: Endangered Gila ditaenia: Sonora Chub: Threatened Gila elegans: Bonytail Chub: Endangered Gila intermedia: Gila Chub: Endangered Gila nigra: Headwater Chub: Not protected/candidate Gila purpurea: Yaqui Chub: Endangered Gila robusta: Roundtail Chub: Not protected/candidate Gila seminuda: Virgin Chub: Endangered Ictalurus pricei ...
Similar species include the humpback chub (Gila cypha) and bonytail chub (G. elegans), however, these fish have extremely slender caudal peduncles, smaller eyes, angle along anal fin base continuing above the caudal fin. Large individuals have a hump on their nape, and a depressed head which is absent on the headwater chub.
Scientists are baffled after the carcass of a humpback whale was discovered in the Amazon rainforest, nearly 50 feet from shore. The young mammal, believed to be about a year old, was found over ...
The Green River supports catfish, carp, and four unique endemic native fish that are threatened with extinction and protected: the Colorado pikeminnow, razorback sucker, humpback chub, and bonytail chub. While people are permitted to fish in the park, anglers are expected to release any of the unique fish.