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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

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> 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 экология

; пресноводный пелагический; мигрирует в реке (Ref. 51243); пределы глубины ? - 1642 m (Ref. 128162).   Boreal; 4°C - 18°C (Ref. 2059)

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Asia: Lake Baikal, Russia.

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL самец/пол неопределен; (Ref. 12480); 13.4 cm TL (female)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 7 - 9; членистые (мягкие) лучи спинного плавника (общее число) : 31 - 34; колючие лучи анального плавника: 0; членистые (мягкие) лучи анального плавника: 32 - 36. No swim bladder (Ref. 128162),

биология     глоссарий (например 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).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

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).

Основная ссылка Upload your references | ссылки | координатор | соавторы

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

Статус Красного Списка МСОП (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




Использование человеком

рыболовство: интереса не представляет
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дополнительная информация

Trophic ecology
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Food consumptions
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Ecology
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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).
Trophic level (Ref. 69278):  3.4   ±0.5 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref. 120179):  средний (среднего размера), минимальное время удвоения популяции 1.4-4.4 года (K=0.23; tmax=4).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).