Bathyraja aguja, Aguja skate

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Bathyraja aguja (Kendall & Radcliffe, 1912)

Aguja skate
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Image of Bathyraja aguja (Aguja skate)
No image available for this species;
drawing shows typical species in Arhynchobatidae.

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);  aguja: Named for its type locality, off Point Aguja, Peru..

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

海洋 深海底的; 深度上下限 650 - 980 m (Ref. 127873). 深水域

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

Southeast Pacific: Peru.
東南太平洋: 已知來自模式標本產地又外海的 Point Aguja ,祕魯。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 76.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 127873)

简单描述 型态特徵 | 形态测量图

This species have two symmetrically arranged, large, white spots on the dorsal surface at the pectoral-fin bases and symmetrically arranged white spots along the disc margins and this pattern is consistent at all sizes from small to at least 76.0 cm TL in adult males; it has a uniformly colored ventral surface without spots or patterning; anterior disc margin distinctly undulating; preorbital length times orbital length 3.70; preorbital length times interorbital length 2.81; interorbital space times orbit length 1.30; orbital length times spiracle length 1.65; pre-oral length times internarial length 2.12; the dorsal disc surface with a median row of thorns originating from behind shoulder girdle on disc; thorns regularly arranged; median thorns 30-33; interdorsal thorn 1-2; the dermal denticles on the dorsal disc surface mostly smooth except for small patches of widely spaced dermal denticles on snout, between orbits, and tail; teeth arranged in quincunx; predorsal tail vertebrae 62-66; pectoral-fin radial count 80-83 (Ref. 127873).

生物学特性     字汇 (例如 epibenthic)

Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Holotype 取自了深度 981 公尺。 (参考文献 26282) 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, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).東南太平洋: 已知來自模式標本產地又外海的 Point Aguja ,祕魯。

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)

  最不相关 (LC) ; Date assessed: 06 February 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

Phylogenetic diversity index (Ref. 82804):  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):  3.9   ±0.7 se; based on size and trophs of closest relatives
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 (50 of 100).