分類 / Names
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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); confusus: confusus clouded, refering to the irregular and indistinct body pigmentation (Ref. 1998).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Temperate; 50°N - 42°N
North America: Columbia River drainage in British Columbia, Canada and in Montana, Idaho, Washington and Oregon, USA; and in Puget Sound drainage in Washington.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 8.6 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 6 年 (Ref. 12193)
背面の脊椎 (合計) : 7 - 9; 背鰭 (合計) : 15 - 19; 臀鰭: 10 - 14.
Occurs in fast, rocky riffles of cold headwaters, creeks and rivers.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
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)
Human uses
用具
特記事項
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インターネットの情報源
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=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.7 ±0.59 se; based on food items.
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (tmax=6).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
