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) > Thymallinae
Etymology: Thymallus: Greek, thymallos, -ou = a kind of fish similar to salmon (Ref. 45335); thymallus: The name 'thymallus' could come from the thyme taste of the flesh of this fish (Ref. 30578).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 底中水層性; pH range: 7.0 - 7.5; dH range: 20 - ?; 非遷移的; 深度上下限 15 - ? m (Ref. 30578). 溫帶; 6°C - 18°C (Ref. 2059); 70°N - 42°N, 6°W - 66°E
Europe: Barent Sea basin west of Urals, Caspian, Black, Baltic, White and North Sea basins, Atlantic westward to Loire drainage; Rhône drainage; northern Adriatic basin east to Soca drainage. Introduced over most of southern and central Finland.
歐洲: 在俄國西北部的英格蘭與法國到烏拉山。 伯恩公約的附錄 3(受保育的動物群).
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 556); common length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 556); 最大體重: 6.7 kg (Ref. 6368); 最大年齡: 14 年 (Ref. 556)
背棘 (總數): 5 - 8; 背的軟條 (總數): 12-17; 臀棘 3-4; 臀鰭軟條: 9 - 10; 脊椎骨: 57 - 61. Distinguished from Thymallus arcticus by the following unique characters: maxillary usually reaching anterior margin of eye; pelvic fin grey, lacking red stripes; body without red spots; dorsal fin greyish, with parallel rows of round dark spots; gill rakers 19-30, averaging about 24-26 (Ref. 59043). Caudal fin with 19 to 21 rays (Ref. 2196).
尾鰭有 19 到 21個鰭條。 (參考文獻 2196)
Inhabits submontane reaches of rivers with a hard sand or stone bottom and well oxygenated, cold and fast-flowing water (Ref. 59043). Prefers running, well-oxygenated waters of rivers (Ref. 30578). In Scandinavia, it occurs in clear lakes and freshened part of northern Baltic basin. Usually lives in hollows behind boulders and shaded water under overhanging vegetation (Ref. 59043). Gregarious, forms schools (Ref. 2196). Feeds mainly on insects (Ref. 9696), nymphs, small worms and crustaceans (Ref. 30578). Breeds in shallow stretches, usually 20-40 cm deep, or riffles, with moderate current of about 0.5 m/s and clean gravel bottom (Ref. 59043). Can be captured with natural bait (insect larvae) or with artificial fly. Very sensitive to pollution (Ref. 30578).
群居的, 形成魚群.(參考文獻 2196) 偏愛河的流動且溶氧度高水域。 (參考文獻 30578) 棲息於河的清澈上游，底部為砂或碎石的地方; 也出現於湖中, 極少在半淡鹹水 (波羅的海). 主要吃昆蟲 (參考文獻 9696) ，蛹，小的蠕蟲與甲殼動物。 (參考文獻 30578) 能被用自然誘餌 (昆蟲幼生) 捕獲或者使用人工魚餌。 非常敏感對污染.(參考文獻 30578)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
歐洲: 在俄國西北部的英格蘭與法國到烏拉山。 伯恩公約的附錄 3(受保育的動物群).
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
人類使用
漁業: 商業性; 養殖: 商業性; 游釣魚種: 是的; 水族館: 公眾的水族館
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00564 - 0.01068), b=3.06 (2.97 - 3.15), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±0.42 se; based on food items.
Generation time: 5.1 (3.1 - 7.8) years. Estimated as median ln(3)/K based on 13
growth studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.12-0.26; tm=2-6; tmax=14).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
Nutrients (Ref.
124155): Calcium = 37.9 [10.2, 95.2] mg/100g; Iron = 0.57 [0.18, 1.25] mg/100g; Protein = 18.2 [16.5, 20.0] %; Omega3 = 1.06 [0.46, 2.76] g/100g; Selenium = 38.8 [12.2, 126.8] μg/100g; VitaminA = 15.6 [5.1, 45.3] μg/100g; Zinc = 0.722 [0.386, 1.346] mg/100g (wet weight); based on
nutrient studies.
