Dentiraja confusa

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Dentiraja confusa (Last 2008)

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Dentiraja confusa
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分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: confusa: Name from Latin 'confusio' in relation to past confusion with other Australasian skates, Zearaja nasuta and Dipturus cerva.  More on author: Last.

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

; 海 底生の漂泳性; 深さの範囲 18 - 390 m (Ref. 75648), usually 18 - 120 m (Ref. 75648).   Temperate; 35°S - 45°S, 142°E - 153°E (Ref. 114953)

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

Eastern Indian Ocean and Southwest Pacific: off south-eastern Australia

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 64.9 cm TL オス/雌雄の選別がない; (Ref. 75648); 69.5 cm TL (female)

生物学     用語集 (例 epibenthic)

Inhabits continental shelf at 20-120 m, rarely found deeper to 390 m. Feeds mainly on crabs, shrimps and other benthic crustaceans. Reproduces throughout the year and reaches maturity at 5-6 years (Ref. 114953). Lengths of adolescent males varied from 41.5-53.4 cm TL, adult males from 49.8-64.9 cm TL; smallest juvenile 22.0 cm TL. Egg cases were observed to be about 5.6-6.9 cm long with a maximum width of about 4.5-5.3 cm TL (Ref. 75648).

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

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

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. 123251)

  絶滅寸前の危機的状況 (CR) (A2bd); Date assessed: 18 February 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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共通名の
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成熟
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シガテラ(食中毒の名前)
速度
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Otoliths

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インターネットの情報源

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishipedia | Fishtrace | GenBank(ゲノム, ヌクレオチド) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 生命の木 | Wikipedia(行く, 検索する) | World Records Freshwater Fishing | 動物に関する記録

Estimates based on models

Preferred temperature (Ref. 115969): 14.2 - 27.7, mean 18.1 °C (based on 764 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00144 - 0.00663), b=3.22 (3.05 - 3.39), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  4.2   ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
弱み (Ref. 59153):  Moderate to high vulnerability (50 of 100) .