Okamejei heemstrai, East African skate

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相關魚種
- 魚種在
  Okamejei
- 魚種在
  Rajidae
- - 分類 -
- Rajidae
- Rajiformes
- Elasmobranchii
- Chordata
- Animalia

Okamejei heemstrai (McEachran & Fechhelm, 1982)

East African skate

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Image of Okamejei heemstrai (East African skate)

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

分類 / Names 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: heemstrai: Named after Phillip C. Heemstra who provided 5 specimens of this species (Ref. 31308).
Eponymy: Dr Phillip Clarence Heemstra (1941–2019) was an American/South African marine ichthyologist and scientific diver. [...] (Ref. 128868), visit book page.

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

海洋深海底的; 深度上下限 200 - 500 m (Ref. 106604). 深水域

分布國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Indian Ocean: off Kenya and Tanzania (Ref. 31308) to southern Mozambique (Ref. 11228).
西印度洋: 肯亞外海與坦尚尼亞 (參考文獻 31308) 到莫三比克南部.(參考文獻 11228)

大小 / 重量 / 年齡

Maturity: L_m ? range ? - ? cm
Max length : 60.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 106604)

Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Minimum depth from Ref. 58018.

卵生的.(參考文獻 50449) 卵在貝殼上有像觸角一樣的突出。 (參考文獻 205)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).西印度洋: 肯亞外海與坦尚尼亞 (參考文獻 31308) 到莫三比克南部.(參考文獻 11228)

主要參考資料 Upload your references | 參考文獻 | 合作者 : McEachran, John | 合作者

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 瀕危狀態 (Ref. 130435: Version 2024-2)

無危 (LC) ; Date assessed: 24 April 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Preferred temperature (Ref. 123201): 9.8 - 14, mean 11.7 °C (based on 15 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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 (Ref. 69278): 4.1 ±0.6 se; based on size and trophs of closest relatives

回復力 (Ref. 120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (44 of 100).

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