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North America: Mississippi River tributaries on Former Mississippi Embayment from southern Kentucky and southern Arkansas south to Louisiana in the USA; Gulf Slope drainages from Choctawhatchee River in Alabama and Florida to Galveston Bay in Texas in the USA. 北美洲: 在從前的密西西比灣從肯塔基州南部與阿肯色州南部上的密西西比河支流南至在美國的路易斯安那; 在美國的德克薩斯的海灣斜坡流域從阿拉巴馬州的 Choctawhatchee 河與佛羅里達至加爾維斯敦海灣。
大小 / 重量 / 年龄
成熟度: Lm? range ? - ? cm Max length : 51.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 25.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193)
Adults inhabit sandy and rocky pools, runs and riffles of small to medium rivers. Also found in impoundments (Ref. 5723, 10294). They feed on detritus, diatoms, and a wide variety of small invertebrates such as microcrustacea, rotifers, caddisfly larvae, and phantom midge larvae (Ref. 10294).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
系统发育多样性指数 (参考文献 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00529 - 0.01725), b=3.00 (2.84 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
营养阶层 (参考文献 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回复力 (参考文献 120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref. 59153): Moderate vulnerability (40 of 100). 🛈
