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
; 淡水 底中水層性. 溫帶
North America: Great Lakes basin in lakes Huron and Michigan.
北美洲: 在湖休倫湖與密西根州的五大湖流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 45.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 3370); common length : 26.7 cm TL 雄魚/尚未辨別雌雄; (Ref. 1998)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 10 - 13; 臀棘: 0; 臀鰭軟條: 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.
細長的身體, 扁長形的側面地但是結實的。 頭部重的, 寬的與短; 眼中等的; 吻寬的, 略微圓的; 下頜重的, 通常突出的超過上頜頜, 上頜骨通常沒有顏色, 向後延伸到超過眼的前緣。 整體的顏色銀色的有粉紅或紫色的彩虹色，綠色或藍色背面, 銀色的在側邊上與腹面白色的。 在顎與鰭上的色素沈著非常淡的。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在湖休倫湖與密西根州的五大湖流域。
Scott, W.B. and E.J. Crossman, 1973. Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
滅絕 (EX) ; Date assessed: 01 August 1996
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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).
營養階層 (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.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.13-0.24).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
