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Brachymystax lenok (Pallas, 1773)

Lenok
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Brachymystax lenok
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Korea (North) country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Am-nok, Dae-dong, Chung-chun (=? Chongchon) and Doo-man rivers. In the Am-nok river during especially hot summer days this fish can be found on the surface of the water.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/kn.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Chyung, M.-K., 1977
National Database:

Common names from other countries

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae
Etymology: Brachymystax: Greek, brachys = short + Greek, mystax = moustache (Ref. 45335).
  More on author: Pallas.

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

; eau douce benthopélagique; anadrome (Ref. 51243).   Temperate

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Asia: Siberia, Korea and North China.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL mâle / non sexé; (Ref. 40637); 60.0 cm TL (female); common length : 55.0 cm SL mâle / non sexé; (Ref. 35840); poids max. publié: 8.0 kg (Ref. 12218)

Biologie     Glossaire (ex. epibenthic)

A slow-growing fish which inhabits rivers. A cold water fish and never goes to the ocean; finds deep cold waters during summer; can be found under the ice in late fall and winter (Ref. 12218). Feeds on larval and adult insects, amphipods, small fish, frogs, mice and salmon spawn (Ref. 593). During spawning the body turns to a dark red and the dorsal and pectoral fins change to a rainbow of colors (Ref. 12218).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Bogutskaya, N.G. and A.M. Naseka, 1996. Cyclostomata and fishes of Khanka Lake drainage area (Amur river basin). An annotated check-list with comments on taxonomy and zoogeography of the region. Zool. Inst. Russ. Acad. Sci. :89 p. (Ref. 13397)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 04 March 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: commercial
FAO(Publication : search) | FishSource |

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
Diet compositions
Food consumptions
Food rations
Prédateurs
Ecology
Écologie
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversions
Recruitments
Abundances
Life cycle
Reproduction
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larves
Dynamique des populations larvaires
Distribution
Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill areas
Cerveaux
Otolithes
Physiology
Body compositions
Nutrients
Oxygen consumptions
Type de nage
Swimming speeds
Visual pigment(s)
Sons de poissons
Diseases / Parasites
Toxicities (LC50s)
Genetics
Génétique
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaborateurs
References
Références

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Sources Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00607 - 0.01371), b=3.07 (2.95 - 3.19), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  3.8   ±0.3 se; based on diet studies.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (tm=2-4).
Fishing Vulnerability (Ref. 59153):  High vulnerability (57 of 100).
Catégorie de prix (Ref. 80766):   Very high.