Gadus finnmarchicus (Koefoed, 1956)
Norwegian pollock照片 | Google 影像
拍攝者 Panther, T.
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Etymology: Gadus: Latin, gadus = a fish, cod? (Ref. 45335).
Taxonomic Remarks
Provisionally accepted species. This species is probably a synonym of Gadus chalcogrammus Pallas, 1814 (endorsed in ECoF). More studies are needed for a complete revision of all species of Gadidae.
More studies are needed for a complete revision of all genera of Gadidae.
In the past decade, a number of molecular works have shown that T. finnmarchica is likely a synonym of T. chalcogramma, although none of these works had a conclusive statement with a complete taxonomic re-assessment. However, this conclusion can be retained for scientific publications. FAO will not change it until a more stable consensus is reached. Since this species is highly commercial, with a number of regulations and statistical reports using that name, it is preferable to change it with the strongest scientific support. In addition, they are other taxonomic issue in that family, with the same issues about names. Therefore, for the use by the rest of the society, the fishery domain in particular, we recommend to continue using T. finnmarchica and wait that a complete revision of the family and thorough taxonomic and nomenclatural decisions are published.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
東北大西洋: 挪威的北方頂端。
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
Body shape (shape guide): elongated; Cross section: oval.
背鰭分得很開。 藍色的背面, 漸層色到灰白的腹面銀白色的, 具有雜斑背面與上側面。
可能被出現在中層水域的一個稀有的種。
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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基於模型的估計
|
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00398 (0.00189 - 0.00838), b=3.13 (2.95 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
|
營養階層 (參考文獻 69278) |
3.6 ±0.2 se; based on size and trophs of closest relatives |
|
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
|
釣魚的脆弱性 (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |