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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. |
| Dipturus doutrei 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) > Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Eponymy: Do Tu dupl (Ref. 128868), visit book page.
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Eponymy: Do Tu dupl (Ref. 128868), visit book page.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
海洋 深海底的; 深度上下限 163 - 1200 m (Ref. 11284), usually 450 - 600 m (Ref. 36731). 深水域; 21°N - 37°S, 20°W - 27°E (Ref. 114953)
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Eastern Central Atlantic to Southwest Indian Ocean: off Mauritania to South Africa (east to Cape Province) (Ref. 114953).
東大西洋: 茅利塔尼亞到南非。
東大西洋: 茅利塔尼亞到南非。
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
an all-dark longnose skate with an elongated, acutely triangular snout, and a stout tail - shorter than body and with mid-section swollen sausage-shaped; disc with narrowly rounded outer corners and smooth underside except for small denticles on snout; no thorns on nape or along back (Ref. 5578). Dark brown with irregular dark blotches dorsally; rear end of disc and pelvic fins blackish; underside dark brown with black pores and scattered lighter blotches on disc, at base of pelvic fins, around vent, and on tail (Ref. 5578).
Body shape (shape guide): other.
一个全身黑色的长鼻 鱼有一个瘦长的, 锐三角形的吻, 与一矮胖的尾部短于身体而且中段肿大成腊肠形; 狭窄地体盘有圆形的外角与下面平滑的在吻上除了小的细齿; 没有在后颈上的刺或沿着背面.(参考文献 5578) 深褐色的有不规则的黑色斑块背面; 体盘与腹鳍的后端黑色的; 腹面深褐色的在体盘上有黑色的孔与分散的淡色斑块, 在腹鳍基底，排泄孔周围, 与在尾部上.(参考文献 5578)
Body shape (shape guide): other.
一个全身黑色的长鼻 鱼有一个瘦长的, 锐三角形的吻, 与一矮胖的尾部短于身体而且中段肿大成腊肠形; 狭窄地体盘有圆形的外角与下面平滑的在吻上除了小的细齿; 没有在后颈上的刺或沿着背面.(参考文献 5578) 深褐色的有不规则的黑色斑块背面; 体盘与腹鳍的后端黑色的; 腹面深褐色的在体盘上有黑色的孔与分散的淡色斑块, 在腹鳍基底，排泄孔周围, 与在尾部上.(参考文献 5578)
Occurs in deeper slope waters (Ref. 4426). Feeds on benthic fishes, shrimps and crabs (Ref. 27637, Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Males reaches maturity at ca. 101 cm TL (Ref. 114953).
出现于更深的斜坡水域。 (参考文献 4426) 吃底栖的鱼，虾与螃蟹。 (参考文献 27637) 卵生的.(参考文献 50449) 卵有在贝壳上的像触角一样的突出。 (参考文献 205)
出现于更深的斜坡水域。 (参考文献 4426) 吃底栖的鱼，虾与螃蟹。 (参考文献 27637) 卵生的.(参考文献 50449) 卵有在贝壳上的像触角一样的突出。 (参考文献 205)
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).東大西洋: 茅利塔尼亞到南非。
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
对人类的威胁
无害处的
人类利用
渔业: 商业性
FAO - Publication: search | FishSource |
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基于模型的估算
|
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=0.00288 (0.00136 - 0.00610), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
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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 (Assuming fecundity<100). |
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渔业脆弱性 (Ref. 59153) |
High to very high vulnerability (65 of 100). 🛈 |
|
价格分类 (Ref. 80766) |
Medium. |