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: Psammobatis: Greek, psammos = sand + Greek, batis, batidos = a ray (Raja sp.) (Ref. 45335).
More on author: Jordan.
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 73 - 150 m (Ref. 57911). 深水域
Southwest Atlantic: Rio de Janeiro, Brazil to Uruguay and northern Argentina.
西南大西洋: 巴西里約熱內盧到烏拉圭。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 57911)
Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 3.5 cm long and 5.2 cm wide (Ref. 41249). Minimum depth from Ref. 58018.
卵生的。 明显的成对出现。 幼鱼可能倾向跟随大的个体, 例如他们的母亲.(参考文献 205) 卵为长方形鞘囊具有僵硬的触角沈积在沙滩或泥滩的角落.(参考文献 205) 卵鞘是 3.5 公分长与 5.2 公分宽的.(参考文献 41249)
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). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).西南大西洋: 巴西里約熱內盧到烏拉圭。
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))
人类利用
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特别资料
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基于模型的估算
首选温度 (参考文献
123201): 8 - 19.7, mean 17.5 °C (based on 22 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00279 - 0.01081), 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): 3.7 ±0.6 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec assumed to be <10).
渔业脆弱性 (Ref.
59153): Low vulnerability (20 of 100).
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