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Oxynotus japonicus Yano & Murofushi, 1985

Japanese roughshark
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Oxynotus japonicus   AquaMaps   Data sources: GBIF OBIS
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Image of Oxynotus japonicus (Japanese roughshark)
Oxynotus japonicus
Female picture by Ho, H.-C.

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) > Squaliformes (Sleeper and dogfish sharks) > Oxynotidae (Rough sharks)
Etymology: Oxynotus: oxys (Gr.), sharp; notos (Gr.), back, referring to its keeled back (“dorso carenato”). (See ETYFish);  japonicus: -icus (L.), belonging to: Japan (specifically, Suruga Bay in Honshu), type locality. (See ETYFish).

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

海洋 深海底的; 深度上下限 150 - 300 m (Ref. 114724).

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Northwest Pacific: Japan and Taiwan.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 54.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 114724); 64.5 cm TL (female)

生物学特性     字汇 (例如 epibenthic)

Holotype trawled from a depth between 225 and 270 m (Ref. 31258). Ovoviviparous (Ref. 205).

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

Distinct pairing with embrace (Ref. 205).

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

Yano, K. and M. Murofushi, 1985. A new prickly dogfish, Oxynotus japonicus, from Japan. Jap. J. Ichthyol. 32(2):129-136. (Ref. 31258)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (A2d); Date assessed: 30 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

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Estimates based on models

Preferred temperature (Ref. 123201): 1.9 - 16.1, mean 12 °C (based on 8 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00160 - 0.00860), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.9   ±0.6 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 to high vulnerability (46 of 100).