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Okamejei acutispina (Ishiyama, 1958)

Sharpspine skate
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Okamejei acutispina   AquaMaps   Data sources: GBIF OBIS
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Image of Okamejei acutispina (Sharpspine skate)
Okamejei acutispina
Picture by The Fish Database of Taiwan

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology:

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋 居于水底的; 深度上下限 25 - 150 m (Ref. 106604). 溫帶

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Northwest Pacific: Japan to the East China Sea.
西太平洋: 日本到東中國海 (參考文獻 559) 與中西太平洋.(參考文獻 9908)

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 106604)

生物学特性     字汇 (例如 epibenthic)

Sublittoral on sandy mud bottoms (Ref. 11230). Depth range given by H. Ishihara (pers.comm. 07/07). Feed on invertebrates and bony fishes (Ref. 9908). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 4.9-5.4 cm long and 2.5-2.9 cm wide (Ref. 41249, 41253).

在沙泥底上的亚潮带.(参考文献 11230) 捕食无脊椎动物与硬骨鱼类。 (参考文献 9908) 卵生的。 明显的成对出现。 幼鱼可能倾向跟随大的个体, 例如他们的母亲.(参考文献 205) 卵为长方形鞘囊具有僵硬的触角沈积在沙滩或泥滩的角落.(参考文献 205) 卵鞘是 4.9-5.4 公分长与 2.5-2.9 公分宽的.(参考文献 41249,41253)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Oviparous (Ref. 9908). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).西太平洋: 日本到東中國海 (參考文獻 559) 與中西太平洋.(參考文獻 9908)

主要参考文献 Upload your references | 参考文献 | 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)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (A2d); Date assessed: 27 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

另外地 (Ref. 10311)





人类利用

FAO - Publication: search | FishSource |

更多信息

Trophic ecology
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参考文献

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网络资源

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Estimates based on models

Preferred temperature (Ref. 123201): 13.8 - 23.7, mean 21.1 °C (based on 46 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).
营养阶层 (Ref. 69278):  4.0   ±0.62 se; based on food items.
Generation time: 7.2 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100).
Nutrients (Ref. 124155):  Calcium = 17.6 [3.0, 82.8] mg/100g; Iron = 0.296 [0.079, 0.831] mg/100g; Protein = 17.2 [14.5, 19.8] %; Omega3 = 0.975 [0.309, 3.534] g/100g; Selenium = 7.51 [2.32, 23.13] μg/100g; VitaminA = 21.4 [6.5, 67.6] μg/100g; Zinc = 0.54 [0.26, 0.98] mg/100g (wet weight);