Bathyraja cousseauae, Joined-fins skate

Bathyraja cousseauae Díaz de Astarloa & Mabragaña, 2004

Joined-fins skate
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Bathyraja cousseauae   AquaMaps   Data sources: GBIF OBIS
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Image of Bathyraja cousseauae (Joined-fins skate)
Bathyraja cousseauae
Male picture by Reyes, P.

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) > Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335);  cousseauae: Named for María Berta Cousseau of Dept. de Ciencias Marinas, Universidad Nacional de Mar del Plata.

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

; 海洋 居于水底的; 深度上下限 119 - 284 m (Ref. 55502), usually - m (Ref. ).   

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

Southwestern Atlantic: Off northern Patagonian, off Mar del Plata, Argentina.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 86.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 55502)

简单描述 型态特徵 | 形态测量图

This species is distinguished by having the following characters: a large and very distinct round pale area ocellus-like, margined with dark brown on posterior part of each pectoral base of the upper side of the disc; upper surface of disc fully covered with numerous small spinules, also on interorbital area, tail, dorsal fins, and posterior pelvic lobes; larger individuals with scattered spinules distributed in central parts of the disc; ocular thorns absent; continuous row of 21-27 median thorns from nuchal; region to first dorsal fin; males have elongated, slender rod-shaped claspers; dorsal fin densely spinulose close to the end of tail and with no space between them (Ref. 55502).

生物学特性     字汇 (例如 epibenthic)


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


主要参考文献 Upload your references | 参考文献 | 合作者 : McEachran, John | 合作者

Díaz de Astarloa, J.M. and E. Mabragaña, 2004. Bathyraja cousseauae sp. n.: a new softnose skate from the southwestern Atlantic (Rajiformes, Rajidae). Copeia 2004(2):326-335. (Ref. 55502)

世界自然保护联盟红皮书 (Ref. 124695)

  最不相关 (LC) ; Date assessed: 07 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

FAO - Publication: search | FishSource |

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工具

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 | Zoobank | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 115969): 4.5 - 6.4, mean 5.8 °C (based on 37 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00253 - 0.01042), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.0   ±0.7 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.).
脆弱性 (Ref. 59153):  High vulnerability (65 of 100) .