分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Salmoniformes (Salmons)
鮭形目 (Salmons) >
Salmonidae (Salmonids)
鮭科 (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水; 溯河洄游 (Ref. 51243). 溫帶; 44°N - 43°N
Western Atlantic: known only from Yarmouth Harbor, Tusket River drainage, and Leipsigate Lake in southern Nova Scotia, Canada.
西大西洋: 在加拿大的新斯科舍省南部中已知只來自雅茅斯港灣， Tusket 河流域與 Leipsigate 湖了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 27.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
背棘 (總數): 0; 背的軟條 (總數): 10-12; 臀棘 0; 臀鰭軟條: 9 - 12; 脊椎骨: 63 - 64. Body elongate and tapering, compressed laterally but less so than lake whitefish, greatest body depth at front of dorsal fin. Head relatively short, never observed with nuchal hump; eye small, adipose eyelid distinct; snout length always greater than eye diameter; upper jaw or snout projecting slightly in large males
細長的身體與尖端細的, 扁長形的側面地但是比較少量因此超過湖白鯨, 在背鰭的前面最大的體高。 頭部相當短的, 從不被觀察到有頸背的隆起; 眼小的, 脂眼瞼明顯的; 吻的長度總是大於眼直徑; 上頜或吻突出的些微在大的雄性中
Occurs in near-shore coastal waters, open water of lakes and small to large rivers, and often in current in rivers. Belongs to C. clupeaformis complex (Ref. 5723). Anadromous (Ref. 5951).
出現於近岸沿岸水域，湖與小型到大型河川的開放水域, 與常見於水流中在河中。 屬於 C. clupeaformis 複合體。 (參考文獻 5723) 溯河洄游產卵.(參考文獻 5951)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西大西洋: 在加拿大的新斯科舍省南部中已知只來自雅茅斯港灣， Tusket 河流域與 Leipsigate 湖了。
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN 瀕危狀態 (Ref. 130435)
極危 (CR) (B1ab(iii)); Date assessed: 21 July 2015
人類使用
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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=0.00457 (0.00190 - 0.01097), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.45 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
