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The pronounced hump behind its head gives the humpback chub a striking, unusual appearance. Like the Colorado pikeminnow and bonytail, the humpback chub is a member of the minnow family. It has an olive-colored back, silver sides, a white belly, small eyes and a long snout that overhangs its jaw.
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www.fws.gov/coloradoriverrecovery/Crhbc.htm
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Background: Humpback chub were federally listed as endangered in 1967 and since that time have suffered extreme declines in number and distribution. The largest remaining population of these unique fish (several thousand adults) lives near the confluence of the Little Colorado River and Colorado Rivers in Grand Canyon.
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www.azgfd.gov/w_c/research_humpback_chub.shtml
www.azgfd.gov/w_c/research_humpback_chub.shtml
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Description: The humpback chub is a remarkable member of the minnow family that is green to silver and white with an abrupt hump behind the head. They grow to about 18 inches in length.
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wildlife.state.co.us/WildlifeSpecies/Profiles/Fish/Hump...
wildlife.state.co.us/WildlifeSpecies/Profiles/Fish/HumpbackChub.htm
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- Adult endangered humpback chub (Gila cypha) in Grand Canyon, Arizona, increased by about 50 percent between 2001 and 2008, according to analysis recently conducted by the U.S. Geological Survey. ... The humpback chub is a freshwater fish that may live up to 40 years and is found only in the Colorado River Basin.
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www.usgs.gov/newsroom/article.asp?ID=2206
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Jul 15, 2009 ... The hump at the back of the head directs the water current down on the Humpback chub's flat head and enables the fish to maintain position ...
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www.fishbase.org/summary/SpeciesSummary.php?id=2762
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Historically, the humpback chub inhabited canyons of the Colorado River and four of its tributaries: the Green, Yampa, White and Little Colorado rivers. Now, there are only two populations in the Upper Colorado River drainage. ... The humpback chub is a member of the minnow family. It is thought to have evolved around 3...
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nativeecosystems.org/species/fish/humpback-chub
nativeecosystems.org/species/fish/humpback-chub
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The Humpback Chub ... The Humpback Chub ; The Humpback Chub is an endangered fish that lives in Arizona. It is dark olive-gray. It gets to be 18 inches long and weighs up to 2 pounds. It has a high hump behind its head. The Humpback Chub eats insects and algae.
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www.tenan.vuurwerk.nl/reports/frankschool/humpback.htm
www.tenan.vuurwerk.nl/reports/frankschool/humpback.htm
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Identification: Upper side of adults light to dark olive brown with two dark-edged white stripes along back; upper scales smooth, shiny, tightly overlapping, with rounded rear edge; scales on sides of body (midway between limbs) ... Mature male: lips orange or reddish during breeding season. ... Hatchling: tail bright blue;
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ndis.nrel.colostate.edu/herpatlas/coherpatlas/cdow_herp...
ndis.nrel.colostate.edu/herpatlas/coherpatlas/cdow_herpetofaunal_atlas_species_lizard_eumecesgaigeae.htm
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Endangered Humpback Chub Population in Grand Canyon Stabilizing ... Recently collected data for endangered humpback chub (Gila cypha) in Grand Canyon suggest that the population of adult fish (age 4+) may be stabilizing after more than a decade of decline, according to biologists with the U.S. Geological Survey's...
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www.gcmrc.gov/research/humpback_chub/20060802.aspx
www.gcmrc.gov/research/humpback_chub/20060802.aspx
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