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Oncorhynchus rhodurus Jordan & McGregor, 1925

Japanese Amago
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Image of Oncorhynchus rhodurus (Japanese Amago)
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drawing shows typical species in Salmonidae.

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

> Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae
Etymology: Oncorhynchus: Greek, onyx, -ychos = nail + Greek, rhyngchos = snout (Ref. 45335).
More on authors: Jordan & McGregor.

Issue
Considered as a synonym in CofF (Sept. 2020). More genectic works that include all possible taxa in Oncorhynchus are needed, all existing studies being inconclusive because of the incomplete taxonomic sampling. Please send articles that we may have missed.

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

marin; eau douce; saumâtre démersal; anadrome (Ref. 51243). Temperate

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

Asia: originally endemic to Lake Biwa, then transplanted to Lake Chûzenji and Lake Ashinoko of Japan (Ref. 559).

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 44.2 cm TL mâle / non sexé; (Ref. 40637); poids max. publié: 1.3 kg (Ref. 40637)

Biologie     Glossaire (ex. epibenthic)

Oviparous (Ref. 205). Eggs are buried in unguarded nests (Ref. 205).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Distinct pairing (Ref. 205). Reproductive strategy: synchronous ovarian organization, determinate fecundity (Ref. 51846).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)


CITES

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
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Ecology
Écologie
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Life cycle
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Distribution
Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
BRUVS - Videos
Anatomy
Surface branchiale
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Physiology
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Type de nage
Vitesse de nage
Visual pigments
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Toxicity (LC50s)
Genetics
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Profils d'aquaculture
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Sources Internet

AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00180 - 0.01158), b=3.10 (2.88 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.7   ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100).
Catégorie de prix (Ref. 80766):   Very high.