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Apristurus micropterygeus Meng, Chu & Li, 1986

Smalldorsal cat shark
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drawing shows typical species in Pentanchidae.

分类 / Names 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: 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);  micropterygeus: micro-, from mikros (Gr.), small; pterygion, diminutive of pteryx (Gr.), wing or fin, referring to first dorsal fin being 1/9 size of second dorsal fin. (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. 13120). 深水域

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Northwest Pacific: South China Sea. Presence in the Western Central Pacific is uncertain (Ref. 11146).
西北太平洋: 南中國海。 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 : 37.2 cm TL 雄鱼/尚未辨别雌雄; (Ref. 13120)

生物学特性     字汇 (例如 epibenthic)

Oviparous (Ref. 50449).

卵生的.(参考文献 50449)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).西北太平洋: 南中國海。 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, 1986. Description of four new species of the genus Apristurus (Scyliorhinidae) from deep waters of the South China Sea. Oceanol. Limnol. Sin. 17(4):274-275. (Ref. 13120)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 28 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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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 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), 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 (27 of 100).