分类 / Names
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 = havin the strenght of Atlas, the god that supported the pillar s of the universe in the Greek mithology + Latin, raja = ray (Raja sp.) (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 19 - 181 m (Ref. 57911). ; 20°S - 40°S, 60°W - 40°W (Ref. 57911)
Southeast Atlantic: Brazil, Uruguay and Argentina.
Length at first maturity / 大小 / 重量 / 年龄
Maturity: 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).
Life cycle and mating behavior
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).
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 2024-1)
濒危 (EN) (A2bd); Date assessed: 01 July 2019
人类利用
渔业: 没有兴趣
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特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 8.2 - 21.7, mean 18.3 °C (based on 45 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00288 - 0.01097), 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 (Ref.
69278): 4.2 ±0.58 se; based on food items.
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 (53 of 100).
