分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Percoidei (Perchs)
鱸形目 (Perchs) >
Percidae (Perches)
鱸科 (Perches) > Etheostomatinae
Etymology: Percina: Latin, diminutive of perch = perch (Ref. 45335); antesella: antesella meaning anterior saddle, referring to the diagnostic position of that saddle (Ref. 10294).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 溫帶; 36°N - 34°N
North America: Conasauga and Etowah rivers (in Coosa River system) in southeastern Tennessee and northern Georgia, USA.
北美洲: 發現在田納西州東南方與美國喬治亞州北部中只在 Conasauga 與 Etowah 河 (在可薩河流域) 中。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 5.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Occurs in swift gravel and sand riffles and runs of medium-sized rivers (Ref. 5723). Feeds on snails, limpets and immature aquatic insects, particularly caddisfly larvae and mayfly nymphs (Ref. 10294).
出現於迅急的礫石與有沙的急流與中等大小河川的支流。 (參考文獻 5723) 吃蝸牛，笠貝與不成熟的水生昆蟲, 特別地石蠶幼生與孚游類蛹.(參考文獻 10294)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北美洲: 發現在田納西州東南方與美國喬治亞州北部中只在 Conasauga 與 Etowah 河 (在可薩河流域) 中。
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)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 10 April 2012
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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=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), 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): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
