分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 亞熱帶的; 45°N - 37°N
North America: Atlantic Slope of USA from Hudson River drainage in Vermont and New York, south to Potomac River drainage in Virginia; upper Ohio River drainages in south New York to West Virginia (Ref. 86798); Canada from British Columbia to Newfoundland and Nova Scotia (Ref. 52559), Northwest Territories, and Yukon Territory (Ref. 119194).
北美洲: 在加拿大南部與美國北部從大西洋的岸邊到西北地區南部, 東方的加拿大的英屬哥倫比亞與美國的蒙大納中的大西洋，哈得遜灣，五大湖與密西西比河流域; 南至維吉尼亞，密西根州，威斯康辛州與美國愛荷華州; 在密蘇里河流域上游。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 9.4 range ? - ? cm
Max length : 16.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 9.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 4 年 (Ref. 12193)
Margariscus margarita is almost identical to Margariscus nachtriebi but can be distinguished from this species by having larger scales and usually 50-62 lateral scales (Ref. 86798).
Inhabits pools of upland creeks and small rivers, and also ponds and lakes. Usually found over sand or gravel (Ref. 86798). Feeds on copepods, cladocerans, chironomids, beetles, filamentous algae, and Chara (Ref. 1998). Spawns during the spring (Ref. 1998).
栖息于小溪与小河的水池, 也池塘与湖。 通常发生在沙子或砾石。 吃桡脚类的动物，水蚤，宝刀鱼，甲虫，菌丝藻与 Chara 。 (参考文献 1998) 在春天期间产卵。 (参考文献 1998)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Spawning occurs in shallow rivers with moderate current, on sand or gravel. Males maintained territories 20.3 cm wide (at least 1.83 m apart from each other). A ripe female is driven onto the territory. The male places his pectoral fin beneath the female's body anteriorly, and his caudal fin placed over the caudal peduncle of the female. The pair vibrates and the eggs are deposited. Females spawn with different males.北美洲: 在加拿大南部與美國北部從大西洋的岸邊到西北地區南部, 東方的加拿大的英屬哥倫比亞與美國的蒙大納中的大西洋，哈得遜灣，五大湖與密西西比河流域; 南至維吉尼亞，密西根州，威斯康辛州與美國愛荷華州; 在密蘇里河流域上游。
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)
人类利用
诱饵: occasionally
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00250 - 0.01453), b=3.05 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.36 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tm=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 126 [67, 239] mg/100g; Iron = 0.678 [0.382, 1.287] mg/100g; Protein = 17.5 [16.4, 18.6] %; Omega3 = 0.945 [0.399, 2.263] g/100g; Selenium = 11.4 [4.4, 33.9] μg/100g; VitaminA = 64.5 [20.0, 210.9] μg/100g; Zinc = 1.19 [0.76, 1.75] mg/100g (wet weight);
