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The Colorado Pikeminnow was once a species of fish that resided in much of the Colorado River Basin. Due to human impacts and the introduction of non-native fish species, the population has receded to the upper basin. According to the Native Aquatic Species Conservation in Arizona, the installation of dams has altered the fish's movement. [9]
In 1999, the American Fisheries Society adopted "pikeminnow" as the name it recommends, because Native Americans consider "squawfish" offensive. [ 1 ] The Colorado pikeminnow , P. lucius , is the largest member of the genus, ranging from 4–9 lb (2–4 kg) in adult fish with occasional specimens up to 25 lb (11 kg).
Juvenile Colorado pikeminnow will feed on insects and plankton while adults will primarily feed on fish. Colorado pikeminnow being one of the largest minnows will typically reach lengths of 20 inches with the biggest reported being 70 inches long. [55] LC Found only in the Colorado River drainage system. Bullhead minnow: Pimephales vigilax: LC
Colorado pikeminnow; N. Northern pikeminnow; S. Sacramento pikeminnow; U. Umpqua pikeminnow This page was last edited on 31 December 2017, at 14:34 (UTC). Text is ...
The Northern pikeminnow, Columbia River dace or colloquially Squawfish (Ptychocheilus oregonensis) is a large member of the minnow family, Leuciscidae. [2] This predatory freshwater fish is native to northwestern North America, ranging from the Nass River basin to the Columbia River basin. [ 2 ]
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 and 1986 , [1] [3] 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 ...
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Other very large species that can surpass 2 m (6.6 ft) are the golden mahseer (Tor putitora) and mangar (Luciobarbus esocinus). [6] [7] The largest North American species is the Colorado pikeminnow (Ptychocheilus lucius), which can reach up to 1.8 m (5.9 ft) in length. [8] Conversely, many species are smaller than 5 cm (2 in).