Klassifizierung / Names
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Siluriformes (Catfishes) >
Ictaluridae (North American freshwater catfishes)
Etymology: Ameiurus: Greek, a = without + Greek, meiouros, -os, -on = without tail (Ref. 45335); natalis: Ameiurus (Greek)=privative curtailed (referring to the caudal fin lacking a notch); natalis (Latin)=having large buttocks (Ref. 79012).
More on author: Lesueur.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser demersal; tiefenbereich 10 - ? m. Temperate; 5°C - 15°C (Ref. 13614); 42°N - 19°N
North America: Atlantic and Gulf slope drainages from New York to northern Mexico, and St. Lawrence-Great Lakes and Mississippi river basins from southern Quebec west to central North Dakota, and south to the Gulf. At least one country reports adverse ecological impact after introduction.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL Männchen/unbestimmt; (Ref. 27549); common length : 22.5 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Gewicht: 1.9 kg (Ref. 4699); max. veröff. Alter: 4 Jahre (Ref. 72462)
Pools, backwaters, and sluggish current over soft substrate in creeks and small to large rivers; oxbows, ponds, and impoundments (Ref. 5723, 10294). Feeds on variety of insects and other bottom dwelling organisms such as mollusks and crustaceans (Ref. 27549).
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)
Bedrohung für Menschen
Potential pest (Ref. 13686)
Nutzung durch Menschen
Sportfisch: ja
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00732 - 0.01975), b=3.09 (2.94 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.46 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tmax=4; Fec=2,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).