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) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Holohalaelurus: holos (Gr.), whole or entire, i.e., being a form of Halaeurus without any labial folds or grooves in the mouth (See ETYFish); punctatus: Latin for spotted, referring to dense covering of small brown spots on dorsal surface (See ETYFish).
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 220 - 440 m (Ref. 5510). 深水域; 4°S - 37°S
Western Indian Ocean: endemic to the subtropical and tropical waters of southwestern Indian Ocean, southern Mozambique, off Natal, South Africa and off Madagascar (Ref. 75585).
Status of threat: a common catch in bottom trawls in Natal and southern Mozambique, yet, despite recent biodiversity trawl surveys in that region, not a single specimen has been collected from this area since 1972. ORI data sheets confirm that specimens collected between 1964 and 1972 were apparently abundant, particularly off Mozambique in May 1969, and off Durban in June 1971. The only specimens of this species that have been collected since this date have been those from Madagascar in the late 1980’s and early 1990’s (Ref. 75585).
西印度洋: 莫三比克南部與納塔爾外海，南非。 此魚種或相關魚種發現外海的馬達加斯加，肯亞與坦尚尼亞。 (參考文獻 5578)
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 31.2, range 30 - 32.6 cm
Max length : 35.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5510); 26.0 cm TL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 臀棘: 0. A broad-headed, dwarf catshark with small dark brown spots closely set on a yellow-brown or orange-brown background; small black pores on underside of head and body; no labial furrows (Ref. 5578).
Body shape (shape guide): elongated.
一个宽头又矮小的猫鲨有小的深褐色的斑点在黄褐色或橘褐色背景上紧密地在一起; 在头部与身体的下面上的小的黑色孔; 没有唇沟.(参考文献 5578)
Found on the uppermost continental slopes (Ref. 244). Feeds on small fishes, crustaceans, and cephalopods (Ref. 5213). The adult males are larger than females, a characteristic unusual among sharks (Ref. 244). Manifests partial sexual segregation. Oviparous (Ref. 50449).
栖息于最上面的大陆斜坡了。 (参考文献 244) 吃小鱼，甲壳动物与头足类动物。 (参考文献 5213) 成鱼雄性是大于雌性, 一个特殊的罕见在鲨鱼之中.(参考文献 244) 显示部分的性别异形性。 卵生的.(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
Oviparous, with one egg-case laid per oviduct at a time. Embryos feed solely on yolk (Ref. 50449). Partial sexual segregation is manifested by greater number of males than females off Natal but not off southern Mozambique.西印度洋: 莫三比克南部與納塔爾外海，南非。 此魚種或相關魚種發現外海的馬達加斯加，肯亞與坦尚尼亞。 (參考文獻 5578)
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
濒危 (EN) (A2d); Date assessed: 01 August 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
首选温度 (参考文献
123201): 13.1 - 15.8, mean 15.3 °C (based on 13 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00172 - 0.00698), b=3.08 (2.90 - 3.26), 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 ±0.61 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): Low vulnerability (25 of 100).
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