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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
Northern redbelly dace Northern pikeminnow Fallfish. Central stoneroller (Campostoma anomalum) Northern redbelly dace (Chrosomus eos) Finescale dace (Chrosomus neogaeus) Redside dace (Clinostomus elongatus) Lake chub (Couesius plumbeus) Spotfin shiner (Cyprinella spiloptera) Cutlip minnow (Exoglossum maxillingua) Chiselmouth (Gila alutacea)
It tends to be found in the lower half of the water column in rivers and streams but in slower flows or still waters, such as reservoirs, it cab be found close to surface. It is always found in association with the Sacramento pikeminnow (Ptychocheilus grandis) and normally also with the Sacramento sucker (Catostomus occidentalis occidentalis).