分类 / Names
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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Hybognathus: Greek, ybos, -e, -on = curved + Greek, gnathos = jaw; with bulging jaw (Ref. 45335).
More on author: Hubbs.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶; 58°N - 37°N
North America: St. Lawrence River and Lake Champlain drainages in Quebec, Canada and in Vermont, USA; across Great Lakes, Hudson Bay and Missouri-upper Mississippi River basins of southern Canada and northern USA south to Missouri and Colorado; Mackenzie River system (Arctic basin) in Alberta, Canada; Fraser River system (Pacific Slope) in British Columbia, Canada.
北美洲: 在加拿大魁北克與美國的紐約州的聖勞倫斯河上游與 Champlain湖流域; 越過五大湖, 哈得遜灣與加拿大南部的密蘇里- 密西西比河上游流域與美國北部南至堪薩斯州; 在亞伯達與加拿大卑詩省的和平河 (參考文獻 1998) 與菲沙河系統 (太平洋斜坡)。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 5.7 range ? - ? cm
Max length : 9.7 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 7.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193)
Occurs in cool pools of sluggish, clear creeks and small rivers, usually over sand or gravel; more abundant in cool acid waters of silt-bottomed bog ponds (Ref. 1998). Probably feeds on phytoplankton and other algae, zooplankton, and aquatic insects (Ref. 1998). Oviparous, open substratum spawners (Ref. 205, 52559). Probably spawn in May or June over silty bottoms of calm waters (Ref. 1998). Predators may include brook trout, kingfishers, and mergansers (Ref. 1998).
出现于清澈又流动缓慢之小溪与小河的冷水潭, 通常在沙子或砾石上面; 更丰富的在淤泥底沼泽池塘的冷的酸水域中.(参考文献 1998) 可能吃浮游植物与其他的藻类，浮游动物与水生昆虫。 (参考文献 1998) 可能五月时产卵或在平静水域的淤泥底上的六月.(参考文献 1998) 可能被小溪鳟鱼，鱼狗与秋沙鸭捕食了。 (参考文献 1998)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 在加拿大魁北克與美國的紐約州的聖勞倫斯河上游與 Champlain湖流域; 越過五大湖, 哈得遜灣與加拿大南部的密蘇里- 密西西比河上游流域與美國北部南至堪薩斯州; 在亞伯達與加拿大卑詩省的和平河 (參考文獻 1998) 與菲沙河系統 (太平洋斜坡)。
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: usually
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00232 - 0.01084), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.40 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=1-2).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
