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: Noturus: Greek, noton = back + Greek, oura = tail; refred to the position of the tail over the back (Ref. 45335); eleutherus: eleutherus meaning free, referring to the incomplete fusion of the posterior portion of the adipose fin to the body (Ref. 10294).
More on author: Jordan.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶; 42°N - 33°N
North America: Ohio River basin from northwestern Pennsylvania to eastern Illinois, and south to Tennessee and northern Georgia in the USA; White and St. Francis River drainages in Missouri and Arkansas, USA; Mississippi River in western Tennessee, USA; Ouachita River and Red River drainages in the USA.
北美洲: 來自在西北部的賓州到的俄亥俄河流域伊利諾州東部, 而且南至在美國的田納西州與喬治亞州北部; 白色與在美國密蘇里州與阿肯色州的聖法蘭西斯河流域; 在西方的美國田納西州中的密西西比河; 歐奇塔河與在美國的紅河流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 4.4 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 5 年 (Ref. 12193)
Inhabits clean rocky riffles, shoals and runs of small to large rivers. Often found near vegetation (Ref. 5723, 10294). Feeds on larvae of aquatic insects, dominated by mayflies (Ref. 10294).
棲息於乾淨的岩石急流,淺灘與小型到大型河川的小支流。 時常在植物的附近發現。 (參考文獻 5723,10294) 吃被孚游類控制的水生昆蟲幼生。 (參考文獻 10294)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北美洲: 來自在西北部的賓州到的俄亥俄河流域伊利諾州東部, 而且南至在美國的田納西州與喬治亞州北部; 白色與在美國密蘇里州與阿肯色州的聖法蘭西斯河流域; 在西方的美國田納西州中的密西西比河; 歐奇塔河與在美國的紅河流域。
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 = 0.5000 [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).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tmax=5).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).