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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Eleginus gracilis AquaMaps Data sources: GBIF OBIS |
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Eleginus gracilis
Picture by Orlov, A.
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Picture by Orlov, A.
Russian Federation country information
Common names:
Dal'nevostochnaya navaga, Navaga, Pacific saffron cod
Occurrence: native
Salinity: freshwater
Abundance: abundant (always seen in some numbers) | Ref: Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
Importance: highly commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known to inhabit freshwater lakes (on the Bering and Bol'shoi Shantarskie isalnds and Lake Nerpich'e in the Kamchatka Peninsula (Ref. 26334). Found on Cape Olyutorski in the western Bering Sea (Ref. 6793). Sakhalin and Kamchatka (Ref. 37812); Northern Primor'ye shelf (Ref. 45905). Used for human consumption, fresh or frozen. Also Ref. 1371, 6793, 27547. 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:
Occurrence: native
Salinity: freshwater
Abundance: abundant (always seen in some numbers) | Ref: Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
Importance: highly commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known to inhabit freshwater lakes (on the Bering and Bol'shoi Shantarskie isalnds and Lake Nerpich'e in the Kamchatka Peninsula (Ref. 26334). Found on Cape Olyutorski in the western Bering Sea (Ref. 6793). Sakhalin and Kamchatka (Ref. 37812); Northern Primor'ye shelf (Ref. 45905). Used for human consumption, fresh or frozen. Also Ref. 1371, 6793, 27547. 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
Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
> Gadiformes (Cods) > Gadidae (Cods and haddocks)
Etymology: Eleginus: Greek, eleginos, -ou = a fish of the Nile (Ref. 45335).
Etymology: Eleginus: Greek, eleginos, -ou = a fish of the Nile (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range Écologie
marin; eau douce; saumâtre démersal; amphidrome; profondeur 0 - 300 m (Ref. 50550). Polar; 75°N - 30°N, 124°E - 123°W (Ref. 54430)
Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Arctic to North Pacific: Chemulpo in North Korea (Yellow Sea) in the southwest to Sitka, Alaska in the southeast. Beyond the Bering Strait from Cape Lisburne in Chukchi Sea and east to Dease Strait (south coast of Victoria Island). Precise delimitation of the range depends on additional taxonomic study.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 30.0 range ? - ? cm
Max length : 55.0 cm TL mâle / non sexé; (Ref. 1371); poids max. publié: 1.3 kg (Ref. 56527); âge max. reporté: 15 années (Ref. 56527)
Max length : 55.0 cm TL mâle / non sexé; (Ref. 1371); poids max. publié: 1.3 kg (Ref. 56527); âge max. reporté: 15 années (Ref. 56527)
Description synthétique Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 44 - 59; Épines anales: 0; Rayons mous anaux: 39 - 47; Vertèbres: 57 - 64. Distinguished by the presence of 3 dorsal and 2 anal fins, a lower jaw that is shorter than the upper, a chin barbel that is no longer than half the eye diameter, and a space between the second and third dorsal fins that is equal to or longer than the eye diameter (Ref. 27547). Lateral line curved in front, ending under the second dorsal fin (Ref. 27547); head with no lateral line pores (Ref. 1371). Expanded parapophyses swollen and hollow, beginning on about the vertebral centrum 9 or 10, containing outpouchings of the swim bladder (Ref. 1371). Second pelvic ray produced; caudal truncate or slightly emarginate (Ref. 27547). Grayish brown above, upper part of sides paler, sometimes with a silvery-violet shading, often mottled with indistinct darker blotches; lower sides and belly yellowish to silver white; fins dusky, dorsal and caudal with white edges (Ref. 27547).
Occurs in shallow coastal waters (Ref. 1371). Enters rivers and may go considerable distances upstream, but usually remaining within regions of tidal influence (Ref. 1371, 27547). Adults exhibit seasonal movements: inshore during winter for purposes of spawning and offshore during summer for feeding (Ref. 1371). Juveniles and adults are opportunistic epibenthic feeders; juveniles feed on fish and small benthic crustaceans (Ref. 1371). Taxonomic problems to be solved.
Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Spawns 5-7 times in its life, or even 9-10 times for those living 10-14 years. Fecundity varies with geographical region. It decreases from east to west in the European Arctic and from south to north in western Pacific waters. Throughout its distribution area, spawning occurs during January-February in coastal zones of bays and inlets on sand-gravel substrate and in strong tidal currents.
Référence principale
Upload your references | Références | Coordinateur | Collaborateurs
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: hautement commercial
FAO(pêcheries: production, Résumé espèce; publication : search) | FishSource | Sea Around Us
Plus d'informations
Trophic ecology
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Anatomy
Surface branchiale
Brain
Otolith
Surface branchiale
Brain
Otolith
Physiology
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Human related
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Outils
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Sources Internet
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Estimates based on models
Preferred temperature (Ref. 115969): -1.5 - 5.9, mean 0.9 (based on 952 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00538 - 0.00707), b=3.08 (3.04 - 3.12), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278): 4.1 ±0.6 se; based on diet studies.
Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (tm=2-3; Fec=4,900).
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (47 of 100).
Climate Vulnerability (Ref. 125649): Moderate to high vulnerability (47 of 100).