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Oxynotus japonicus Yano & Murofushi, 1985

Japanese roughshark
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This map was computer-generated and has not yet been reviewed.
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.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (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 生態学

海 深海魚; 深さの範囲 150 - 300 m (Ref. 114724). Deep-water

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Northwest Pacific: Japan and Taiwan.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 54.0 cm TL オス/雌雄の選別がない; (Ref. 114724); 64.5 cm TL (female)

生物学     用語集 (例 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 | 幼生

Distinct pairing with embrace (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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

IUCNのレッドリストの状況は (Ref. 130435)

  攻撃されやすい (VU) (A2d); Date assessed: 30 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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インターネットの情報源

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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).
栄養段階 (Ref. 69278):  3.9   ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低い, ４．５年～１４年の倍増期間の最小個体群 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (46 of 100).