分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
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.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 居于水底的; 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 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 60.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 27549); common length : 22.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大体重: 1.9 kg (Ref. 4699); 最大年龄: 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).
在小溪与小型到大型河川中的在软的底部上的水池，洄水区与缓动性的水流; 牛轭弯，池塘与圈围水域。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
人类利用
渔业: 自给性渔业; 游钓鱼种: 是的
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00625 - 0.01271), b=3.06 (2.96 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (参考文献
69278): 3.3 ±0.46 se; based on food items.
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=4; Fec=2,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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