Thicktail chub

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Thicktail chub
Thicktail Chub.jpg
Status iucn3.1 EX.svg
Extinct  (1950s)  (IUCN 3.1) [1]
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Leuciscidae
Genus: Gila
G. crassicauda
Binomial name
Gila crassicauda
(S. F. Baird & Girard in Girard, 1854)

The thicktail chub (Gila crassicauda) was a type of minnow that inhabited the lowlands and weedy backwaters of the Sacramento and San Joaquin Rivers in the Central Valley of California. It was once abundant in lowland lakes, marshes, ponds, slow-moving stretches of river, [2] and, during years of heavy run-off, the surface waters of San Francisco Bay. [2] The thicktail chub was one of the most common fish in California. [2] Within Native American middens it represented 40% of the fish. [3]

The chub was a favored food of the native Indian peoples of Clear Lake and the Central Valley before being heavily exploited by commercial fishermen supplying the San Francisco market. [2] A heavy-bodied fish with a thick tail and a small, cone-shaped head, the backs of the thicktail chub ranged in color from greenish brown to purplish black, while the sides and belly were yellow. It could reach a length of nearly ten inches. Although little is known about its behavior, it was probably carnivorous, feeding on small fish and invertebrates.

The primary cause of the thicktailed chub's extinction was the conversion of much of the Central Valley to agricultural use. Most of its habitat was destroyed by the drainage of sloughs and marshes, dam-building, and water diversion for irrigation. All this resulted in the loss of the sluggish water the species preferred. Competition from exotic species also contributed to its extinction. The last known example was caught on April 16, 1957. [2]

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Arroyo chub Species of fish

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<i>Lavinia exilicauda</i> Species of fish

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Tule perch Species of fish

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Roundtail chub Species of fish

The roundtail chub is a cyprinid fish in the genus Gila, of southwestern North America. It is native to the Colorado River drainage basin, including the Gila River and other tributaries, and in several other rivers. It is part of the “robusta complex”, which includes the Gila robusta robusta, G.r. grahami, and G.r. seminuda.

Bonytail chub Species of fish

The bonytail chub or bonytail is a cyprinid freshwater fish native to the Colorado River basin of Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming in the southwestern United States; it has been extirpated from the part of the basin in Mexico. It was once abundant and widespread in the basin, its numbers and range have declined to the point where it has been listed as endangered since 1980 (ESA) and 1986 (IUCN), a fate shared by the other large Colorado basin endemic fish species like the Colorado pikeminnow, humpback chub, and razorback sucker. It is now the rarest of the endemic big-river fishes of the Colorado River. There are 20 species in the genus Gila, seven of which are found in Arizona.

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Headwater chub Species of fish

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The Virgin chub or the Virgin River chub is a medium-sized, silvery minnow, generally less than 15 cm long and reaching lengths of 25 cm. The back, breast, and part of the belly are embedded with small scales, naked in some individuals. The length of the head divided by the depth of the caudal peduncle typically results in a ratio of 4.0 to 5.0. The scales are typically lacking basal radii or are with extremely faint lines.

Rio Grande chub Species of fish

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  1. NatureServe (2013). "Gila crassicauda". IUCN Red List of Threatened Species . 2013: e.T9183A18229941. doi: 10.2305/IUCN.UK.2013-1.RLTS.T9183A18229941.en .
  2. 1 2 3 4 5 Miller, Robert R.; Williams, James D.; Williams, Jack E. (1989). "Extinctions of North American Fishes During the past Century" (PDF). Fisheries. 14:6 (6): 22–38. doi:10.1577/1548-8446(1989)014<0022:EONAFD>2.0.CO;2. hdl:2027.42/141989.
  3. Schulz, P.D. (1979). "Fish remains from a historic central California Indian village". Calif. Fish Game. 65: 273–276.