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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 ]
The Colorado pikeminnow (Ptychocheilus lucius, formerly squawfish) is the largest cyprinid fish of North America and one of the largest in the world, with reports of individuals up to 6 ft (1.8 m) long [3] and weighing over 100 pounds (45 kg).
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).
The Sacramento pikeminnow (Ptychocheilus grandis), formerly known as the Sacramento squawfish, is a large cyprinid fish of California, United States. It is native to the Los Angeles River , Sacramento - San Joaquin , Pajaro - Salinas , Russian River , Clear Lake and upper Pit River river basins.
The Umpqua pikeminnow formerly called the Umpqua squawfish [2] (Ptychocheilus umpquae) is a large cyprinid fish endemic to Oregon, and is the smallest species of pikeminnow. It is native to the Umpqua and Siuslaw river drainages.
Native to Colorado. The Colorado pikeminnow will usually inhabit rivers and quiet backwaters. 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
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The San Juan River Basin Recovery Implementation Program or (SJRIP) is a river management project that was established to recover two endangered fish species in the San Juan River, the Colorado pikeminnow (Ptychocheilus lucius) and the razorback sucker (Xyrauchen texanus), while allowing water development and management activities to continue in the San Juan River Basin.