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Teleostei >
Siluriformes (Catfishes) >
Ictaluridae (North American freshwater catfishes)
Etymology: Ameiurus: Greek, a = without + Greek, meiouros, -os, -on = without tail (Ref. 45335); platycephalus: From the words platy, meaning flat; and cephalus, head (Ref. 10294).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶; 38°N - 32°N
North America: Atlantic Piedmont and Coastal Plain from Roanoke River drainage in Virginia, USA to Altamaha River drainage in Georgia, USA.
北美洲: 大西洋皮德蒙特山麓高原與海岸平原從美國維吉尼亞的 Roanoke 河流域到美國喬治亞州的奧塔瑪哈河流域。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 29.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 23.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 7 年 (Ref. 12193)
Occurs in mud-bottomed, sand-bottomed, or rock-bottomed pools of small to large rivers. Also found in lakes, impoundments and ponds (Ref. 54507, 10294). Feeds on aquatic insects, small fishes, and snails (Ref. 10294).
出现于泥质底的,砂质底的, 否则小型到大型河川的岩质底水池。 也发现于湖,圈围水域与池塘。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 大西洋皮德蒙特山麓高原與海岸平原從美國維吉尼亞的 Roanoke 河流域到美國喬治亞州的奧塔瑪哈河流域。
Hardman, M. and L.M. Page, 2003. Phylogenetic relationships among bullhead catfishes of the genus Ameiurus (Siluriformes: Ictaluridae). Copeia 2003(1):20-33. (Ref. 54507)
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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=0.00562 (0.00251 - 0.01261), b=3.10 (2.90 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=7; Fec=1,742).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).