分類 / 名前
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: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335); canutus: Name from Latin 'canutus' for grey or ash-coloured, refers to its almost uniformly grey dorsal coloration.
Eponymy: Canutus is Latin for grey or ash-coloured and nothing to do with the tide-defying King Canute. (Ref. 128868), visit book page.
More on author: Last.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の漂泳性; 深さの範囲 330 - 730 m (Ref. 75648), usually 400 - 600 m (Ref. 75648). Temperate; 32°S - 45°S, 129°E - 154°E (Ref. 114953)
Indo-west Pacific: Australia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 79.5 cm TL オス/雌雄の選別がない; (Ref. 75648); 90.4 cm TL (female)
Occurs mainly on the upper continental slope, but also known to be found at 155-1050 m depths (Ref. 114953). Adolescent males varied from 64.9 - 72.1 cm TL; smallest juvenile 13.4 cm TL. Egg cases described are about 9.3 - 10.7 cm long with a maximum width of about 5.1 - 5.7 cm (Ref. 75648).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Last, P.R., 2008. New short-snout members of the skate genus Dipturus (Rajoidei: Rajidae) from Australian seas. pp. 53-98. In Last, P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds.): Descriptions of new Australian skates (Batoidea: Rajoidei) pg. 53-98. CSIRO marine and atmospheric research paper no. 021. (Ref. 75648)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
絶滅危惧 (EN) (A2bd); Date assessed: 20 February 2015
人間の用途
用具
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 2 - 10.3, mean 7.5 °C (based on 179 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00288 (0.00136 - 0.00613), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
回復力 (参照
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): High vulnerability (56 of 100).
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