分類 / Names
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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Cyprinella: Latin, cyprinus = carp (Ref. 45335); monacha: From the word monacha, meaning solitary (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: Historically in several tributaries of Tennessee River in Virginia, North Carolina, Tennessee, Georgia to Alabama, USA; now present only in Little Tennessee River in North Carolina, Buffalo and Emory river in Tennessee, and Holston River in Virginia and Tennessee, USA.
北美洲: 在歷史上在許多的田納西河流域, 從維吉尼亞，北卡羅萊那州，田納西州, 到阿拉巴馬州的喬治亞州。 最近曾經觀察只在小田納西河，北卡羅萊那州中; Duck 河與 Emory 河, 田納西州; 而且霍爾斯頓河的北方分支，維吉尼亞與美國田納西州。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 6 - ? cm
Max length : 11.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 7.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 4 年 (Ref. 12193)
Found in rocky riffles and runs of clean small to medium rivers (Ref. 5723, 86798). Juveniles are associated with small gravel substrates and moderate current, while adults are encountered in swift currents and boulder substrates. Feed on aquatic insects, predominated by midge, blackfly, and caddisfly larvae (Ref. 10294).
發現於乾淨小型到中型的河岩石的急流與小支流.。 (參考文獻 5723,10294) 稚魚被伴隨著小的礫石底部與平穩的水流, 雖然成魚在湍急的水流與大圓石底部被見到。 捕食被蚊，黑蠅與石蠶幼生成為主流的水生昆蟲。 (參考文獻 10294)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Deposits eggs in boulder crevices.北美洲: 在歷史上在許多的田納西河流域, 從維吉尼亞，北卡羅萊那州，田納西州, 到阿拉巴馬州的喬治亞州。 最近曾經觀察只在小田納西河，北卡羅萊那州中; Duck 河與 Emory 河, 田納西州; 而且霍爾斯頓河的北方分支，維吉尼亞與美國田納西州。
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)
人類使用
漁業: 商業性; 水族館: 商業性
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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).
