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North America: widespread across most of eastern and central U.S. in Atlantic, Great Lakes, Mississippi River, Hudson Bay (Red River) basins from New York and Ontario to North Dakota and Wyoming, and south to Georgia, Louisiana, and Texas (but absent from most of lower Ohio River basin}; Gulf Slope drainages of Texas. Also in Rio San Juan basin, Mexico.
ขนาด / น้ำหนัก / อายุ
วัยเจริญพันธุ์: Lm? range ? - ? cm Max length : 22.0 cm TL เพศผู้/กระเทย; (Ref. 5723); common length : 18.7 cm TL เพศผู้/กระเทย; (Ref. 12193)
Adults inhabit rocky riffles, runs, and pools of headwaters, creeks, and small to large rivers (Ref. 5723, 86798). Subadults and adults feed on detritus, filamentous algae, diatoms and occasionally on small aquatic insects; young on rotifers and microcrustacea (Ref. 10294). Reported maximum length is 17 cm TL (Ref. 86798).
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
สถานะบัญชีแดงของ IUCN (Ref. 130435: Version 2025-2 (Global))
ดัชนีความหลากหลายทางวิวัฒนาการ (อ้างอิง 82804): PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00493 - 0.01610), b=3.05 (2.89 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
ระดับชั้นอาหาร (อ้างอิง 69278): 2.0 ±0.0 se; based on diet studies.
