分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Rajiformes (Skates and rays)
鰩目 (Skates and rays) >
Rajidae (Skates)
鰩科 (Skates)
Etymology: arafurensis: Named for its distributional area, Arafura Sea.
More on authors: Last & Gledhill.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 底中水層性; 深度上下限 179 - 298 m (Ref. 75645). ; 8°S - 15°S, 120°E - 133°E (Ref. 114953)
Eastern Indian Ocean: off northwestern Australia (Ref. 114953).
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 40.7 cm TL 雄魚/尚未辨別雌雄; (Ref. 75645); 49.5 cm TL (female)
Found on outer continental shelf and upper slope (Ref. 114953). Length of one adolescent male 29.9 cm TL; males mature at 37.6-40.7 cm TL; smallest juvenile at 23.5 cm TL (Ref. 75645).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Last, P.R. and D.C. Gledhill, 2008. Two new skates of the genus Okamejei (Rajoidei: Rajiidae) from south-east Indian Ocean. In Last. P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds) : Descriptions of new Australian skates (Batoidea: Rajoidei) pg. 119-134. CSIRO marine and atmospheric research paper no. 021. (Ref. 75645)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 13 May 2024
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基於模型的估計
首選溫度 (參考文獻
123201): 11.7 - 16.5, mean 14.2 °C (based on 12 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5001 [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).
營養階層 (參考文獻
69278): 4.0 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary low fecundity).
釣魚的脆弱性 (Ref.
59153): Moderate vulnerability (40 of 100).
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