分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Luxilus: Latin, luxilus, derived from Lux = light, refered to a small silvery fish (Ref. 45335).
More on author: Mitchill.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶; 0°C - 31°C (Ref. 35682); 53°N - 38°N
North America: Atlantic, Great Lakes, Hudson Bay, and Mississippi River basins from Nova Scotia to southeastern Saskatchewan, Canada and south to James River drainage in Virginia, northern Ohio, central Missouri and Colorado, USA.
北美洲: 大西洋，五大湖，哈得遜灣與密西西比河流域從新斯科舍省到加拿大的薩斯卡萬東南方而且在維吉尼亞，俄亥俄州北部, 中央的密蘇里與美國懷俄明州南至詹姆士河流域。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 7.4 range ? - ? cm
Max length : 18.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 8.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 6 年 (Ref. 72462)
Inhabits rocky pools near riffles in clear, cool creeks and small to medium rivers. Sometimes occurs in lakes in northern part of range (Ref. 86798). Oviparous (Ref. 205), nest spawners (Ref. 52559). Frequently hybridizes with Luxilus chrysocephalus in areas where the ranges of these two species overlap (Ref. 86798).
在清澈寒冷的小溪及小型到中型河川中的急流附近成魚棲息於岩石的水池。 他們有時在範圍的北部中出現在湖。 卵生的 (參考文獻 205), 築巢產卵魚。 (參考文獻 52559) 在 Luxilus cornutus 與 Luxilus chrysocephalus 之間的雜交時常在兩者種的範圍重疊的區域中出現。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 大西洋，五大湖，哈得遜灣與密西西比河流域從新斯科舍省到加拿大的薩斯卡萬東南方而且在維吉尼亞，俄亥俄州北部, 中央的密蘇里與美國懷俄明州南至詹姆士河流域。
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)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00412 - 0.01760), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 2.8 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tm=1; tmax=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
