Salvelinus thingvallensis (Saemundsson, 1908)
分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii 輻鰭魚綱 (條鰭魚) > Salmoniformes (Salmons) 鮭形目 (Salmons) > Salmonidae (Salmonids) 鮭科 (Salmonids) > Salmoninae
Etymology: Salvelinus: Old name for char; it is the same root of german "saibling" = little salmon (Ref. 45335).
Etymology: Salvelinus: Old name for char; it is the same root of german "saibling" = little salmon (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range 生態學
; 淡水 底中水層性; 深度上下限 0 - 10 m (Ref. 59043). 極; 65°N - 64°N, 22°W - 20°W
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Europe: Lake Thingvalla, Iceland.
歐洲: 冰島。
歐洲: 冰島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 24.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 59043); 最大年齡: 17 年 (Ref. 59043)
Max length : 24.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 59043); 最大年齡: 17 年 (Ref. 59043)
簡短描述 型態特徵 | 形態測量圖
Distinguished from congeners in Iceland by the following characters: presence of parr marks in adults; flank dark brown with irregular golden or yellow spots, belly beige to yellowish, usually blackish markings on throat (not much difference between breeding and non-breeding coloration); pectoral fins black, other fins beige, caudal and dorsal fins with pale spots; snout blunt, rounded, about equal to eye diameter; mouth subinferior, upper jaw projecting (Ref. 59043).
Inhabits shallow littoral zone, with water 0-10 m deep. A nocturnal species which hides between stones during the day. Feeds predominantly on snails, and to a lesser extend on benthic insects (Ref. 59043).
Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
歐洲: 冰島。
主要參考資料
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Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
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Estimates based on models
Phylogenetic diversity index (Ref. 82805): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00473 - 0.02021), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
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.).
瀕危性 (Ref. 59153): Moderate vulnerability (40 of 100) .