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: Atlantoraja: Greek, atlantes = having the strength of Atlas, the god that supported the pillars of the universe in the Greek mithology + Latin, raja = ray (Raja sp.) (Ref. 45335).
More on author: Günther.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 居于水底的; 深度上下限 19 - 181 m (Ref. 57911). 亞熱帶的; 20°S - 40°S, 60°W - 40°W (Ref. 57911)
Southeast Atlantic: Brazil, Uruguay and Argentina.
東南大西洋: 巴西,烏拉圭與阿根廷。
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 72.0, range 68 - ? cm
Max length : 81.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 104689); common length : 27.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 26408)
Type specimen taken from a depth of about 24 m (Ref. 26282). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Feeds on fishes, crustaceans and cephalopods (Ref. 57911).
方式标本取自了深度大约 24 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)
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). Eggs have horn-like projections on the shell (Ref. 205).東南大西洋: 巴西,烏拉圭與阿根廷。
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: Version 2025-2 (Global))
濒危 (EN) (A2bd); Date assessed: 01 July 2019
人类利用
渔业: 没有兴趣
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 = 0.6250 [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) |
4.2 ±0.58 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 (Fec assumed to be <100). |
渔业脆弱性 (Ref. 59153) |
High vulnerability (61 of 100). 🛈 |