Malacoraja spinacidermis, Soft skate

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Malacoraja spinacidermis (Barnard, 1923)

Soft skate
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Malacoraja spinacidermis   AquaMaps   Data sources: GBIF OBIS
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Image of Malacoraja spinacidermis (Soft skate)
No image available for this species;
drawing shows typical species in Rajidae.

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: Malacoraja: Greek, malakos = soft + Latin, raja, -ae = ray, fis (Raja sp.) (Ref. 45335).
More on author: Barnard.

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

; 海洋 深海底的; 深度上下限 450 - 1570 m (Ref. 117245). 深水域; 67°N - 38°S, 72°W - 25°E

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

Eastern Atlantic: Baffin Bay-Davis Strait Offshore to Iceland-Faeroe Ridge, off northwest Africa (Rio de Oro), off southern Namibia and South Africa.
東大西洋: 冰島-法羅群島的脊,外海的非洲 (里奧德奧羅) 西北部, 外海的那米比亞南部與南非。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4426)

简单描述 型态特徵 | 形态测量图

Very broad, almost pentagonal disc, light above and abruptly dark below; snout bluntly pointed with a flexible tip, eyes small and close together, and a disc with broadly rounded rear margins and tips (Ref. 5578). Small juveniles with and adults without thorns and covered only with small denticles (Ref. 5578). Slate-grey or greyish-brown above except rear margins of pectoral and pelvic fins and claspers of adult males which are dark brown; dark brown below, sometimes with light blotches (Ref. 5578). Lack of large thorns on its disc posterior to the scapular region (Ref. 6902).
非常宽又几乎五角的体盘, 背面颜色较淡与突然下方颜色较深; 吻顿尖的具有一个柔韧有弹性的顶端, 眼小的而且靠拢在一起, 与一体盘有宽广圆形的后缘与顶端.(参考文献 5578) 小的稚鱼有而且成鱼没有刺而且仅由小的细齿覆盖着.(参考文献 5578) 暗蓝灰色或灰褐色的上方除胸鳍的后缘,而且雄性成鱼的腹鳍与扣紧物那是深褐色的; 腹面深褐色, 有时有淡的斑块.(参考文献 5578) 缺乏大的刺在它的体盘在肩胛区域后面.(参考文献 6902)

生物学特性     字汇 (例如 epibenthic)

A very rare species inhabiting continental slopes and probably down to the abyssal plains (Ref. 3167). Benthic (Ref. 58426). Adults usually at depths greater than 1,500 m while juveniles are mainly taken from about 450 m downward (Ref. 4426). Minimum depth reported taken from Ref. 4426. Feeds on crustaceans (Ref. 58426). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

一个非常稀有的种居住于大陆斜坡而且可能向下至深海平原.(参考文献 3167) 在深度大于成鱼通常 1,500 公尺而稚鱼主要是取自大约 450 公尺向下的.(参考文献 4426) 最小深度报告取自参考文献 4426. 卵生的.(参考文献 50449) 卵在贝壳上有像触角一样的突出。 (参考文献 205)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Oviparous (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).東大西洋: 冰島-法羅群島的脊,外海的非洲 (里奧德奧羅) 西北部, 外海的那米比亞南部與南非。

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. 125652)

  最不相关 (LC) ; Date assessed: 20 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 115969): 3.3 - 8.5, mean 5.9 °C (based on 122 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00142 - 0.00642), b=3.23 (3.06 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.5   ±0.50 se; based on food items.
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 (48 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
Nutrients (Ref. 124155):  Calcium = 14.1 [2.5, 45.0] mg/100g ; Iron = 0.328 [0.072, 0.839] mg/100g ; Protein = 15.7 [13.3, 18.1] % ; Omega3 = 0.445 [0.173, 1.313] g/100g ; Selenium = 16.5 [4.6, 50.2] μg/100g ; VitaminA = 6.94 [2.04, 23.89] μg/100g ; Zinc = 0.362 [0.179, 0.773] mg/100g (wet weight);