Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; flodvandrande (Ref. 126106). Temperate; 38°N - 31°N
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.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 51.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 25.5 cm TL hane/ej könsbestämd; (Ref. 12193)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Sportfisk: ja
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 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).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Moderate vulnerability (40 of 100).
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