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Sebastes variabilis (Pallas, 1814)

Light dusky rockfish
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Native range | All suitable habitat | Point map | Year 2050
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Sebastes variabilis   AquaMaps   Data sources: GBIF OBIS
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Image of Sebastes variabilis (Light dusky rockfish)
No image available for this species;
drawing shows typical species in Sebastidae.


United States (contiguous states) country information

Common names: Dusky rockfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Range extends up to the central part of the country with the recently collected specimen (UW 46575). Earlier record by Schultz (1936) and Alverson and Welander (1952) from Washinglon at Neah Bay was reidentified as Sebastes entomelas by Westrheim (1968). It has been observed that off SE Alaska, a high percentage of females captured by trawl surveys during early April were releasing larvae, indicating that parturition occurs in the springl; and during July in shallower waters of about 40 m, all specimens collected were immature (Ref. 53613).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Orr, J.W. and J.E. Blackburn, 2004
National Database:

Common names from other countries

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

> Perciformes/Scorpaenoidei (Scorpionfishes) > Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Sebastes: Greek, sebastes = august, venerable (Ref. 45335);  variabilis: Name is presumed to be referring to the wide range of body color of the species..
  More on author: Pallas.

Environment: milieu / climate zone / depth range / distribution range экология

морской демерсальный; пределы глубины 6 - 675 m (Ref. 53613), usually 100 - 300 m (Ref. 53613).   Subtropical

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

North Pacific: Japan, east coast of Kamchatka to Cape Ol'utorskii in western Bering Sea, along the Aleutian Islands to 60°N in the eastern Bering Sea, through the Gulf of Alaska south to Johnstone Strait, British Columbia and to central Oregon.

Length at first maturity / Size / Вес / Возраст

Maturity: Lm 36.5  range ? - ? cm
Max length : 43.1 cm SL самец/пол неопределен; (Ref. 53613); наибольший возраст (опубликованны данные): 50 годы (Ref. 93327)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 13 - 14; членистые (мягкие) лучи спинного плавника (общее число) : 13 - 16; колючие лучи анального плавника: 3; членистые (мягкие) лучи анального плавника: 7 - 9; позвонки: 28 - 29. This species is distinguished by the following characters: body light yellow to greenish brown to gray, typically greenish brown, with orange flecks present on sides, distinctly light ventrally above anal-fin base and on ventral pectoral-fin rays; peritoneum light gray to jet black; strong symphyseal knob; extrinsic swimbladder muscle with a single section of striated muscle, lacking anterior fascia, otherwise of type I (a-z) of Hallacher (1974); lateral-line pores 43-54, scales 47-63; pectoral-fin rays 16-19; anal-fin rays 7-9; dorsal-fin rays 13-16; vertebrae total 28-29 (11-12 + 16-18) (Ref. 53613).

биология     глоссарий (например epibenthic)

Collection depth between 6-370 m, deepest recorded depth at 675 m. Large adults common along the edge of the continental shelf at 100-300 m where the species is targeted for commercial use. Captured in the offshore trawl fishery. Males and females captured by trawl surveys vary widely in maturity during the summer (May-July) (Ref. 53613).

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

Основная ссылка Upload your references | ссылки | координатор | соавторы

Orr, J.W. and J.E. Blackburn, 2004. The dusky rockfishes (Teleostei: Scorpaeniformes) of the North Pacific Ocean: resurrection of Sebastes variabilis (Pallas, 1814) and a redescription of Sebastes ciliatus (Tilesius, 1813). Fish. Bull. 102:328-348. (Ref. 53613)

Статус Красного Списка МСОП (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




Использование человеком

рыболовство: коммерческий
FAO(Publication : search) | FishSource |

дополнительная информация

Trophic ecology
пищевые объекты
Diet compositions
Food consumptions
Food rations
хищники
Ecology
экология
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversions
Recruitments
Abundances
Life cycle
размножение
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
личинки
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Distribution
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регионы FAO
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интродукции
BRUVS - Videos
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Otoliths
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Nutrients
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Swimming type
Swimming speeds
Visual pigment(s)
звуки, издаваемые рыбами
Diseases / Parasites
Toxicities (LC50s)
Genetics
генетика
Electrophoreses
Heritabilities
Human related
Aquaculture systems
особенности рыбоводства
степень растяжения
Ciguatera cases
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References
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Estimates based on models

Preferred temperature (Ref. 115969): 0.5 - 6.2, mean 3.2 (based on 368 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00587 - 0.01627), b=3.08 (2.94 - 3.22), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.7   ±0.5 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref. 120179):  очень низкий, минимальное время удвоения популяции более 14 лет (K=0.2; tm=9.2; tmax=50).
Prior r = 0.19, 95% CL = 0.13 - 0.29, Based on 2 full stock assessments.
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (41 of 100).