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Apristurus macrostomus Chu, Meng & Li, 1985

Broadmouth cat shark
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Image of Apristurus macrostomus (Broadmouth cat shark)
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drawing shows typical species in Pentanchidae.

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Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (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 生態學

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 / 年齡

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

生物學特性     字彙 (例如 epibenthic)

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

模式標本取自了深度 913 公尺。 (參考文獻 26282) 卵生的.(參考文獻 50449)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

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)

主要參考資料 Upload your references | 參考文獻 | 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)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)

  無危 (LC) ; Date assessed: 29 April 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 沒有興趣
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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).
營養階層 (Ref. 69278):  3.8   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  非常低的, 最小族群倍增時間超過14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100).