Holohalaelurus punctatus, African spotted catshark

Holohalaelurus punctatus (Gilchrist, 1914)

African spotted catshark
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Holohalaelurus punctatus   AquaMaps   Data sources: GBIF OBIS
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Image of Holohalaelurus punctatus (African spotted catshark)
Holohalaelurus punctatus
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) 白眼鮫目 (Ground sharks) > Scyliorhinidae (Cat sharks) 貓鮫科(Cat sharks) (Cat sharks)
Etymology: Holohalaelurus: Greek 'Holos' meaning entire, referring to the lack of labial folds, and the genus Halaelurus, for which Holohalaelurus was proposed as a subgenus of by Fowler (1934).;  punctatus: Name most likely derived from Latin 'punctum' meaning small hole, dot or spot, referring to the many small spots covering the dorsal surface of this species (Ref. 75585).

Environment: milieu / climate zone / depth range / distribution range 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

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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)

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, 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 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 0; 臀棘 0; 臀鳍软条: 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).
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)

生物学特性     字汇 (例如 epibenthic)

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)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 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)

主要参考文献 Upload your references | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者

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. 123251)

  濒危 (EN) (A2d); Date assessed: 01 August 2019

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 115969): 13.1 - 15.8, mean 15.3 °C (based on 13 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00171 - 0.00643), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.2   ±0.61 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).
脆弱性 (Ref. 59153):  Low to moderate vulnerability (34 of 100) .