分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 温带
North America: Great Lakes basin in lakes Huron and Michigan.
北美洲: 在湖休伦湖与密执安州的五大湖流域。 列出的当灭绝的在 IUCN 警戒名单 2004 与列出在 CITES 的第一附录。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 45.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3370); common length : 26.7 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1998)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 10 - 13; 臀棘: 0; 臀鳍软条: 10 - 14; 脊椎骨: 56 - 59. Body elongate, compressed laterally but robust. Head heavy, broad and short; eye moderate; snout broad, somewhat rounded; lower jaw heavy, usually projecting beyond the upper jaw, maxillary usually not pigmented, extending posteriorly to beyond the anterior margin of the eye. Overall coloration silvery with pink or purple iridescence, green or blue on back, silvery on sides and white below. Pigmentation on jaws and fins very light.
细长的身体, 扁长形的侧面地但是结实的。 头部重的, 宽的与短; 眼中等的; 吻宽的, 略微圆的; 下颌重的, 通常突出的超过上颌颌, 上颌骨通常没有颜色, 向后延伸到超过眼的前缘。 整体的颜色银色的有粉红或紫色的彩虹色，绿色或蓝色背面, 银色的在侧边上与腹面白色的。 在颚与鳍上的色素沈着非常淡的。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
北美洲: 在湖休伦湖与密执安州的五大湖流域。 列出的当灭绝的在 IUCN 警戒名单 2004 与列出在 CITES 的第一附录。
Scott, W.B. and E.J. Crossman, 1973. Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998)
人类利用
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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=0.00575 (0.00329 - 0.01007), 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): 3.4 ±0.3 se; based on size and trophs of closest relatives
Generation time: 8.5 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.13-0.24).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
