Halaelurus buergeri, Blackspotted catshark

Halaelurus buergeri (Müller & Henle, 1838)

Blackspotted catshark
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Halaelurus buergeri   AquaMaps   Data sources: GBIF OBIS
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Halaelurus buergeri
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Halaelurus: halos (Gr.), sea; ailouros (Gr.), cat, probably an allusion to the vernacular “catshark,” so named for its cat-like eyes. (See ETYFish);  buergeri: In honor of German physician-biologist Heinrich Bürger (ca. 1804-1858), who collected and illustrated Japanese flora and fauna and apparently collected holotype of this species. (See ETYFish).
More on authors: Müller & Henle.

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

海洋 居于水底的; 深度上下限 80 - 100 m. 亞熱帶的; 39°N - 20°N

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Northwest Pacific: Japan, Korea, China, and Taiwan (Ref. 244). May also occur in the Philippines (Ref.58048). Collected less than a degree west of the northwestern boundary of the Western Central Pacific (Ref. 11146); may consist of a species complex in the area (Ref. 47737).
西北太平洋: 日本,韓國,中國與台灣。 收集少於一個程度位於中西太平洋的西北分界西方.(參考文獻 11146)

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 40 - ? cm
Max length : 49.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244)

生物学特性     字汇 (例如 epibenthic)

Found on the continental shelf; sublittoral zone above 100 m (Ref. 11230). Oviparous, but with several egg-capsules retained in the oviduct until the embryos reach an advanced stage before they are laid which might be regarded as being intermediate between oviparity and ovoviviparity. Diet unknown, but presumably dominated by small invertebrates and fishes. Caught irregularly by demersal longline fisheries operating offshore. Utilized for its meat but of limited value due to its small size (Ref.58048).

栖息于大陆架了; 亚潮带超过100公尺.(参考文献 11230) 卵生的, 但是有多个卵鞘在输卵管中直到胚胎到达一个成长期才产出因此可被视为介于 oviparity 与 ovoviviparity 之间。

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Oviparous, females depositing between 6-12 oval-shaped egg cases (Ref.58048). Eggs are kept in the oviduct until ready to be hatched. Reproductive strategy lies midway between oviparity and ovoviviparity. Species however, is classified as oviparous.西北太平洋: 日本,韓國,中國與台灣。 收集少於一個程度位於中西太平洋的西北分界西方.(參考文獻 11146)

主要参考文献 Upload your references | 参考文献 | 合作者 | 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. 125652)

  濒危 (EN) (A2d); Date assessed: 06 May 2020

CITES

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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Estimates based on models

Preferred temperature (Ref. 123201): 15.6 - 21.8, mean 17.9 °C (based on 20 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00173 - 0.00727), 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 (Ref. 69278):  4.3   ±0.5 se; based on size and trophs of closest relatives
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 vulnerability (39 of 100).