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: arafurensis: Named for its distributional area, Arafura Sea..
More on authors: Last & Gledhill.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の漂泳性; 深さの範囲 179 - 298 m (Ref. 75645). Tropical; 8°S - 15°S, 120°E - 133°E (Ref. 114953)
Eastern Indian Ocean: off northwestern Australia (Ref. 114953).
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 40.7 cm TL オス/雌雄の選別がない; (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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
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)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 11.7 - 16.5, mean 14.2 °C (based on 12 cells).
Phylogenetic diversity index (Ref.
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).
栄養段階 (Ref.
69278): 4.0 ±0.6 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 (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).