分類 / Names
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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Cyprinella: Latin, cyprinus = carp (Ref. 45335); galactura: From the words galactos, meaning milk and oura, meaning tail (Ref. 10294).
More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 溫帶; 38°N - 34°N
North America: disjunct range east and west of Former Mississippi Embayment. Cumberland and Tennessee River drainages; upper Savannah and Santee drainages (Atlantic Slope); and upper New River drainage in West Virginia and Virginia; St. Francis and White River drainages in Missouri and Arkansas, USA.
北美洲: 分離的分佈區從前的密西西比灣的東方與西方。 康勃蘭與田納西河流域; 稀樹大草原上游與 Santee 河流域 (大西洋斜坡); 而且在維吉尼亞的新河上游流域; 聖法蘭西斯與在美國密蘇里州與阿肯色州的白河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 6.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 4 年 (Ref. 12193)
Inhabits rocky runs, less often in pools and riffles, of clear headwaters, creeks, and small rivers (Ref. 5723, 86798). Feeds on terrestrial insects and drifting aquatic larvae (Ref. 10294).
棲息於多岩石的小支流, 較不常見於深潭與急流, 清澈河川源頭,小溪與小河。 (參考文獻 5723,10294) 吃陸棲的昆蟲而且漂流水中幼生.(參考文獻 10294)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 分離的分佈區從前的密西西比灣的東方與西方。 康勃蘭與田納西河流域; 稀樹大草原上游與 Santee 河流域 (大西洋斜坡); 而且在維吉尼亞的新河上游流域; 聖法蘭西斯與在美國密蘇里州與阿肯色州的白河流域。
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 16 November 2011
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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=0.00501 (0.00242 - 0.01036), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±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=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
