Amblyraja taaf, Whiteleg skate : fisheries

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近縁種
- 種
  Amblyraja
- 種
  Rajidae
- - 分類 -
- Rajidae
- Rajiformes
- Elasmobranchii
- Chordata
- Animalia

Amblyraja taaf (Meisner, 1987)

Whiteleg skate

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Amblyraja taaf AquaMaps Data sources: GBIF OBIS

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グーグルの画像

Image of Amblyraja taaf (Whiteleg skate)

No image available for this species;
drawing shows typical species in Rajidae.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Amblyraja: Greek, amblys = darkness + Latin, raja, -ae = ray (Raja sp.) (Ref. 45335).
Eponymy: This is a form of toponym rather than an eponym: TAAF = Territoire des Terres australes et antarctiques françaises (French Southern and Antarctic Territories). (Ref. 128868), visit book page.

Issue
Possibly a junior synonym of A. hyperborea due to strong morphological similarity according to Ebert & Stehmann (2013, Ref. 98315) and Weigmann (2016, Ref. 118749) (Ref. 118749).

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

海深海魚; 深さの範囲 150 - 600 m (Ref. 114953), usually 375 - 390 m (Ref. 58018). Polar; 35°S - 49°S, 180°W - 180°E

分布国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Southeastern Atlantic: South Africa (Compagno et al. in Ebert et al. 2009 but see Ref. 114953); Indian Ocean: Crozet I. (Ref. 45488). Subantarctic: Widespread.

サイズ / 重さ / 年齢

Maturity: L_m ? range ? - ? cm
Max length : 90.0 cm TL オス/雌雄の選別がない; (Ref. 114953)

Found on insular shelves and slopes. Mainly feeds on benthic invertebrates and bony fishes (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Young hatches at ca. 17 cm TL (Ref. 114953).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター : McEachran, John | 協力者

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)

欠足データ (DD) ; Date assessed: 01 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

Harmless

Human uses

水産業: 食糧水産

FAO - Publication: search | FishSource | 私達の周りの海

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Estimates based on models

Preferred temperature (Ref. 123201): 1.4 - 2.3, mean 2 °C (based on 27 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

栄養段階 (Ref. 69278): 4.2 ±0.3 se; based on size and trophs of closest relatives

回復力 (Ref. 120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): High vulnerability (56 of 100).

Climate Vulnerability (Ref. 125649): Very high vulnerability (100 of 100).

価格帯 (Ref. 80766): Medium.

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