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Dissostichus mawsoni Norman, 1937

Antarctic toothfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Dissostichus mawsoni   AquaMaps   Data sources: GBIF OBIS
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Image of Dissostichus mawsoni (Antarctic toothfish)
Dissostichus mawsoni
Picture by Sala, A.

Common names from other countries

Légine antarctique, Austromerluza antártica, Клыкач антарктический, ... more

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Perciformes/Notothenioidei (Icefishes) 鱸形目 (Icefishes) > Nototheniidae (Cod icefishes) 南極魚科 (Cod icefishes) > Pleuragrammatinae
Etymology: Dissostichus: Greek, disso = twice, one or other + Greek, stix, stichos =line, row (Ref. 45335).
  More on author: Norman.

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋; 深度上下限 0 - 2200 m (Ref. 90824), usually 88 - 1600 m (Ref. 5179).   極; 45°S - 78°S, 180°W - 180°E

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Southern Ocean: circumpolar coastal Antarctic broadly to the Convergence (Ref. 11892). Endemic to the seas around Antarctica (Ref. 5179).
南極海: 極地附近南極海岸寬廣地到集中.(參考文獻 11892) 海洋周圍的特有種.(參考文獻 5179)

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 133.2  range ? - ? cm
Max length : 200 cm TL 雄魚/尚未辨別雌雄; (Ref. 90825); common length : 127 cm TL 雄魚/尚未辨別雌雄; (Ref. 90825); 最大體重: 80.0 kg (Ref. 5179); 最大年齡: 39 年 (Ref. 88081)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 8 - 9; 背的軟條 (總數) : 25 - 27; 臀鰭軟條: 25 - 26. Uniformly brownish, with 4 irregular and incomplete dark cross-bars and with some dark spots (Ref. 11892).
均勻褐色, 有四個不規則而不完全的深色交叉的條紋而且有一些深色的斑點.(參考文獻 11892)

生物學特性     字彙 (例如 epibenthic)

Larval pelagic phase is long (Ref. 89402).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

南極海: 極地附近南極海岸寬廣地到集中.(參考文獻 11892) 海洋周圍的特有種.(參考文獻 5179)

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)

IUCN 瀕危狀態 (Ref. 130435)

  未評估 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

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Trophic ecology
食物相
Diet compositions
Food consumptions
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Egg(s)
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參考文獻

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Estimates based on models

Preferred temperature (Ref. 115969): -1.5 - 1.3, mean 0.2 (based on 411 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00302 - 0.00758), b=3.18 (3.04 - 3.32), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  3.9   ±0.59 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (K=0.056; Fec=400,000).
Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (81 of 100).
Climate Vulnerability (Ref. 125649):  Very high vulnerability (87 of 100).
價格種類 (Ref. 80766):   Low.