Bathyraja minispinosa Ishiyama & Ishihara, 1977
Whitebrow skate
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Bathyraja minispinosa AquaMaps Data sources: GBIF OBIS |
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335); minispinosa: Name from the Latin adjective 'minispinosa' meaning full of small thorns; referring to the dorsal side of the disc with many minute fine prickles which are smooth to the touch (Ref. 75535).
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335); minispinosa: Name from the Latin adjective 'minispinosa' meaning full of small thorns; referring to the dorsal side of the disc with many minute fine prickles which are smooth to the touch (Ref. 75535).
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
海洋 居于水底的; 深度上下限 150 - 1420 m (Ref. 50550). 溫帶
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
North Pacific: Sea of Okhotsk off Abashiri, Japan to the Kamchatka Peninsula and the Bering Sea.
北太平洋: 鄂霍次克海外海的日本網走到堪察加半島與白令海。
北太平洋: 鄂霍次克海外海的日本網走到堪察加半島與白令海。
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
This species is distinguished from its congeners in Bathyraja in having a whitish area along the inner margin of eyes; dorsal side of disc with minute fine prickles; pointed clasper with a pseudosiphon-like groove; dense, minute prickles covering smaller egg capsule (Ref. 75535).
Body shape (shape guide): other.
Body shape (shape guide): other.
Juveniles feed mainly on amphipods, adults feed on crabs and fish (Ref. 27640). 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 7.6 cm long and 5.5 cm wide (Ref. 41249).
稚鱼主要捕食片脚类动物, 成鱼吃螃蟹与鱼。 (参考文献 27640) 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 7.6 公分长与 5.5 公分宽的.(参考文献 41249)
稚鱼主要捕食片脚类动物, 成鱼吃螃蟹与鱼。 (参考文献 27640) 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 7.6 公分长与 5.5 公分宽的.(参考文献 41249)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous, 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). Eggs have horn-like projections on the shell (Ref. 205).北太平洋: 鄂霍次克海外海的日本網走到堪察加半島與白令海。
主要参考文献
上传您的参考资料 | 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)
CITES
Not Evaluated
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无害处的
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遗传学
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基于模型的估算
首选温度 (参考文献 123201): 0.8 - 3.6, mean 1.8 °C (based on 126 cells).
系统发育多样性指数 (参考文献 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00300 - 0.00697), b=3.05 (2.92 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
营养阶层 (参考文献 69278): 3.8 ±0.66 se; based on food items.
回复力 (参考文献 120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).