分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Cottoidei (Sculpins)
鮋形目 (Sculpins) >
Cottidae (Sculpins)
杜父魚科 (Sculpins)
Etymology: Gymnocanthus: Greek, gymnos = naked + Greek, akantha = thorn (Ref. 45335).
More on author: Bean.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 0 - 579 m (Ref. 50550), usually 50 - ? m (Ref. 2850). 溫帶
North Pacific: Hokkaido, Japan to south of St. Lawrence Island, Alaska to Agattu Island in the Aleutian chain and Wales Island, British Columbia, Canada.
北太平洋: 到聖勞倫斯島南方的日本北海道, 在 Aleutian 鏈與威爾斯島，加拿大卑詩省中的阿拉斯加到 Agattu 島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 46.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 56578); 最大年齡: 13 年 (Ref. 122394)
背棘 (總數) : 10 - 12; 背的軟條 (總數) : 14 - 17; 臀棘: 0; 臀鰭軟條: 17 - 20. Interorbital space narrow and concave, its width about 1/2 of eye diameter, and covered with bony plates (Ref. 559).
眼間隔狹窄與凹的, 它的眼直徑的寬度大約 1/2, 而且覆蓋著骨質板.(參考文獻 559)
Deep records for this species is anomalous and must be regarded as questionable (Ref. 6793).
深度記錄對於這個魚種是不規則的而且一定要被視為可疑的.(參考文獻 6793)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北太平洋: 到聖勞倫斯島南方的日本北海道, 在 Aleutian 鏈與威爾斯島，加拿大卑詩省中的阿拉斯加到 Agattu 島。
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
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Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 6.6, mean 2.7 °C (based on 698 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00437 - 0.01257), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (62 of 100).
