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Apristurus macrostomus Chu, Meng & Li, 1985

Broadmouth cat shark
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Image of Apristurus macrostomus (Broadmouth cat shark)
No image available for this species;
drawing shows typical species in Pentanchidae.

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Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus) (See ETYFish); macrostomus: macro-, from makros (Gr.), long or large; stomus, from stoma (Gr.), mouth, allusion not explained, perhaps referring to its having the widest mouth among its South China Sea congeners (See ETYFish).

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

海洋 深海底的; 深度上下限 ? - 913 m (Ref. 13119). 深水域

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Northwest Pacific: off Zhujiang, South China Sea (Ref. 26282). Presence in the Western Central Pacific is uncertain (Ref. 11146).
西北太平洋: 外海的珠江，南中國海.(參考文獻 26282) 在中西太平洋的出現不確定。 (參考文獻 11146)

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm TL (female)

生物学特性     字汇 (例如 epibenthic)

Type specimen taken from a depth of 913 m (Ref. 26282). Oviparous (Ref. 50449).

方式标本取自了深度 913 公尺。 (参考文献 26282) 卵生的.(参考文献 50449)

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).西北太平洋: 外海的珠江，南中國海.(參考文獻 26282) 在中西太平洋的出現不確定。 (參考文獻 11146)

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Meng, Q, Y. Chu and S. Li, 1985. Description of four new species of Scyliorhinidae from depths of the South China Sea. Oceanol. Limnol. Sin. 16(1):49-50. (Ref. 13119)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)

  最不相关 (LC) ; Date assessed: 29 April 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

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00175 - 0.00721), 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):  3.8   ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100).