分类 / Names
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Teleostei >
Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
Issue
Belongs to C. artedi complex.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 大洋性; 深度上下限 30 - 190 m (Ref. 86798). 溫帶; 2°C - 16°C (Ref. 32460); 50°N - 41°N, 93°W - 76°W (Ref. 86798)
North America: found only in Great Lakes (except Lake Erie) in Canada-USA and Lake Nipigon in Canada. This species is probably extirpated from Lake Ontario and Lake Nipigon, rare in Lake Michigan, and declining in Lake Superior and Lake Huron.
北美洲: 發現在加拿大的加拿大-美國與湖 Nipigon 只在五大湖 (除了伊利湖以外) 中。 可能是的這種從湖安大略省與 Nipigon 滅絕了, 在密西根湖威脅, 而且在湖上方與休倫湖中衰退。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 17.6 range ? - ? cm
Max length : 37.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 25.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 11 年 (Ref. 120857)
Occurs in large lakes, generally at depths of 30-190 m (Ref.86798).
出现于大的湖。 属于 C. artedi 复合体。
北美洲: 發現在加拿大的加拿大-美國與湖 Nipigon 只在五大湖 (除了伊利湖以外) 中。 可能是的這種從湖安大略省與 Nipigon 滅絕了, 在密西根湖威脅, 而且在湖上方與休倫湖中衰退。
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00344 - 0.01054), b=3.22 (3.07 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.3 se; based on diet studies.
Generation time: 4.6 (2.9 - 5.8) years. Estimated as median ln(3)/K based on 18
growth studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tm=3; k=0.22).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
