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: leviveneta: Name from latin 'laevis' meaning smooth, bald and 'venetus' for sea-colored or blue, referring to the appearance of the dorsal disc.
More on authors: Last & McEachran.
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 300 - 1200 m (Ref. 58023).
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Southwest Pacific: Lord Howe Rise, Challenger Plateau and northern continental slope of New Zealand south to the Clatham Rise, onto the Campbell Plateau, Pukaki Rise and Bounty Platform.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 50.9 cm 雄鱼/尚未辨别雌雄; (Ref. 58023)
简单描述
检索表 | 型态特徵 | 形态测量图
A small species having the following diagnostic characters: long tail, 1.2-1.3 times disc length, 2.1-2.6 times ventral head length, 4-5 times snout length; large orbit, 2.6-3.4 in preorbital snout length; tail base moderately broad, width at pelvic-fin insertions 1.9-2.7 times width at midlength; denticles confined to central disc behind eye; tail thorns in single, median row; single, well-developed preorbital and postorbital thorns; ventral disc and tail naked; rostral thorn bifurcated, pronounced, close to snout tip, distance from snout tip 3-4.3 in preorbital length; calcified rostral shaft long; alar thorns in small patch of long-based, posteromedially directed thorns flanked laterally by patch of much smaller, more posteriorly directed malar thorns; additional malar thorn patch lateral to eye, usually separate from posterior patch; upper surface bluish, ventral surface much darker bluish brown; rows of strongly contrasted, pale-edged pores on ventral surface; nuchal pore band is distinct; total pectoral radials 64-69; predorsal vertebrae 95-100; tooth rows in the upper jaw 32-43 (Ref. 58023).
Body shape (shape guide): other.
Male paratype mature at 43.2 cm TL (Ref. 58023).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Last, P.R. and J.D. McEachran, 2006. New softnose skate genus Brochiraja from New Zealand (Rajidae: Arhynchobatinae) with description of four new species. N. Z. J. Mar. Freshwater Res. 40(1):65-90. (Ref. 58023)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00562 (0.00287 - 0.01102), b=3.11 (2.94 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.8 ±0.7 se; based on size and trophs of closest relatives |
回复力 (参考文献 120179) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |