Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
; süßwasser benthopelagisch; pH range: 7.0 - 7.5; dH range: 10 - 15. Subtropical; 18°C - 32°C (Ref. 12741); 50°N - 26°N
North America: Great Lakes, Hudson Bay and Mississippi River basins from New York in USA and from Ontario in Canada to Minnesota and south Dakota, USA, and south to the Gulf of Mexico; from Escambia River in Florida, and Mobile Bay in Georgia and Alabama to Rio Grande in Texas, USA. Also northern Mexico.
Size / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 31.0 cm TL Männchen/unbestimmt; (Ref. 5723); common length : 20.0 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Gewicht: 960.00 g (Ref. 4699); max. veröff. Alter: 9 Jahre (Ref. 72492)
Adults inhabit quiet pools and backwaters of sluggish streams, lakes and ponds. Often near vegetation (Ref. 5723, 10294). Juveniles feed on immature insects and microcrustaceans (Ref. 10294). Nest spawners (Ref. 79012).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Aquakultur: kommerziell; Sportfisch: ja
Tools
Zusatzinformationen
Download XML
Internet Quellen
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.01163 - 0.01880), b=3.11 (3.06 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.48 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tmax=5).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
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