分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Ictaluridae (North American freshwater catfishes)
鮰科 (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
生態學
; 淡水 居於水底的; 深度上下限 10 - ? m. 溫帶; 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.
北美洲: 大西洋斜坡與海灣斜坡流域從紐約到墨西哥北部 , 與聖勞倫斯河-五大湖區與密西西比河流域從魁北克南部西至中央的達科塔北方部, 而且南至灣。 貿易在德國限制 (Anl。3 BArtSchV). 至少一個國家報告引入後的不利的生態衝擊。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 27549); common length : 22.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大體重: 1.9 kg (Ref. 4699); 最大年齡: 4 年 (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).
在小溪與小型到大型河川中的在軟的底部上的水池，洄水區與緩動性的水流; 牛軛彎，池塘與圈圍水域.(參考文獻 5723,10294)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北美洲: 大西洋斜坡與海灣斜坡流域從紐約到墨西哥北部 , 與聖勞倫斯河-五大湖區與密西西比河流域從魁北克南部西至中央的達科塔北方部, 而且南至灣。 貿易在德國限制 (Anl。3 BArtSchV). 至少一個國家報告引入後的不利的生態衝擊。
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)
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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).
營養階層 (Ref.
69278): 3.3 ±0.46 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tmax=4; Fec=2,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
