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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: natalis, meaning with large buttocks (referring to the large nuchal humps of mature males) (Ref. 10294).
More on author: Lesueur.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal; non migrateur (Ref. 126106); profondeur 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.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 60.0 cm TL mâle / non sexé; (Ref. 27549); common length : 22.5 cm TL mâle / non sexé; (Ref. 12193); poids max. publié: 1.9 kg (Ref. 4699); âge max. reporté: 4 années (Ref. 72462)
Adults are found in pools, backwaters, and sluggish current over soft substrate in creeks and small to large rivers; oxbows, ponds, and impoundments (Ref. 5723, 10294). They feed on variety of insects and other bottom dwelling organisms such as mollusks and crustaceans (Ref. 27549).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Potential pest (Ref. 13686)
Utilisations par l'homme
Pêcheries: pêcheries vivrières; pêche sportive: oui
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00891 (0.00634 - 0.01253), b=3.06 (2.96 - 3.16), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.3 ±0.46 se; based on food items. |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (tmax=4; Fec=2,000). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (48 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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