分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
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 10 - 600 m (Ref. 106604), usually 600 - ? m. 温带; 20°S - 40°S, 65°W - 40°W (Ref. 57911)
Southwest Atlantic: Argentina and Brazil.
西南大西洋: 阿根廷与巴西。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 110 cm TL 雄鱼/尚未辨别雌雄; (Ref. 57911)
Lives on the continental slope around 600 m in depth. Feeds primarily on fishes (Ref. 114953). Ovoviviparous (Ref. 50449). Maturity size of males at 62-67 cm TL; largest known specimens are females (Ref. 114953).
卵胎生的.(参考文献 50449)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).西南大西洋: 阿根廷与巴西。
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
极度濒危 (CR) (A2bd); Date assessed: 01 July 2019
人类利用
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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 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01479 (0.00668 - 0.03273), b=2.97 (2.78 - 3.16), 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) |
4.3 ±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 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
High to very high vulnerability (71 of 100). 🛈 |