分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | 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); chrysocephalus: From the words chrysocephalus, meaning golden head, and isolepis, equal scales (referring to the more regular scale pattern) (Ref. 10294).
More on author: Rafinesque.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶; 46°N - 31°N
North America: Great Lakes and Mississippi River basins from western New York and Wisconsin, south to Alabama, Louisiana and eastern Texas, USA; Gulf Coast drainages from Mobile Bay in Georgia and Alabama, to Sabine River in Louisiana, USA. Introduced to Escambia River system in Florida and Alabama.
北美洲: 來自紐約西部與東南方的威斯康辛州的五大湖與密西西比河流域, 南至阿拉巴馬州，路易斯安那與美國德州東部; 對美國路易斯安那州的龐恰特雷恩湖的岸灣流域從美國喬治亞州與阿拉巴馬州的摩比灣。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 6.7 range ? - ? cm
Max length : 24.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 10294); common length : 8.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 4 年 (Ref. 12193)
Inhabits rocky pools near riffles in clear to fairly turbid creeks and small to medium rivers (Ref. 86798). Feeds on terrestrial insects, filamentous and unicellular algae, and a variety of aquatic invertebrate often dominated by mayfly nymphs (Ref. 10294). Oviparous (Ref. 205), nest spawners (Ref. 52559).
在急流的附近栖息于岩石的水池在清澈的对非常浑浊的小溪及小型到中型河川。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
北美洲: 來自紐約西部與東南方的威斯康辛州的五大湖與密西西比河流域, 南至阿拉巴馬州，路易斯安那與美國德州東部; 對美國路易斯安那州的龐恰特雷恩湖的岸灣流域從美國喬治亞州與阿拉巴馬州的摩比灣。
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 (0.00376 - 0.01926), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.45 se; based on food items.
Generation time: 2.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tm=2; tmax=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
