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Comephorus dybowskii Korotneff, 1904

Little Baikal oilfish
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Image of Comephorus dybowskii (Little Baikal oilfish)
Comephorus dybowskii
Female picture by Sideleva, V.G.


Russian Federation country information

Common names: Lesser livebearing sculpin, Little Baikal oilfish, Malaya golomyanka
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Lake Baikal (Ref. 26282). Occurs up to the maximum depth in the lake (Ref. 26334). Also Ref 12480. nEurRus
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rs.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Reshetnikov, Y.S., N.G. Bogutskaya, E.D. Vasil'eva, E.A. Dorofeeva, A.M. Naseka, O.A. Popova, K.A. Savvaitova, V.G. Sideleva and L.I. Sokolov, 1997
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Comephorus: Greek,kome, es = long hair + Greek, pherein = to carry (Ref. 45335).

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

; 淡水 大洋性; 河川洄游 (Ref. 51243); 深度上下限 ? - 1642 m (Ref. 128162).   北方生物帶; 4°C - 18°C (Ref. 2059)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Asia: Lake Baikal, Russia.
前蘇聯: 貝加爾湖。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12480); 13.4 cm TL (female)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 7 - 9; 背的软条 (总数) : 31 - 34; 臀棘: 0; 臀鳍软条: 32 - 36. No swim bladder (Ref. 128162),

生物学特性     字汇 (例如 epibenthic)

Found beyond 1,000 m depth. Both males and females often occur on the surface. In January and February, this fish is often found at a depth range of 300-500 m, in March and April, it is found between 100-120 m. Reproduction takes place in February until March. There are indications that the females perish after spawning. The larvae stay dispersed between the surface and 500 m; they do not undergo daily migrations (Ref. 2058).

发现超过 1,000 公尺深。 雄性和雌性时常生存在表面上面。 在一月与二月,这一个鱼时常发现于 300-500 公尺的深度范围, 三月与四月时,它被发现在 100-120 公尺之间。 繁殖发生于二月到三月。 有雌性在产卵之后死亡的指证。 仔鱼停留零零散散介于水表和 500 公尺; 它们不历经每日的回游。 (参考文献 2058)

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

There are indications that the females perish after spawning. The larvae stay dispersed between the surface and 500 m; they do not undergo daily migrations (Ref. 2058).前蘇聯: 貝加爾湖。

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

Timoshkin, O.A., 1995. Guide and key to pelagic animals of Baikal. Novosibirsk "Nauka", Siberian Publishing Firm RAS. (Ref. 12480)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 24 June 2020

CITES (Ref. 128078)

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
FAO(Publication : search) | FishSource |

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特别资料

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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes(, ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.4   ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.23; tmax=4).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).