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Carangiformes (Jacks) >
Carangidae (Jacks and pompanos) > Caranginae
Etymology: Trachurus: Greek, trachys, -eia, -ys = rough + Greek, oura = tail (Ref. 45335); symmetricus: From symmetricus which means regularly formed - referring to the rough tail (Ref. 6885).
More on author: Ayres.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin pelagic-oceanic; océanodrome (Ref. 87829); profondeur 0 - 400 m. Subtropical; 65°N - 13°N
Eastern Pacific: southeastern Alaska to southern Baja California, Mexico and the Gulf of California; reported from Acapulco in Mexico and the Galapagos Islands.
Taille / Poids / Âge
Maturité: Lm ?  range ? - 31 cm
Max length : 81.0 cm TL mâle / non sexé; (Ref. 2850); common length : 55.0 cm TL mâle / non sexé; (Ref. 9283); âge max. reporté: 30 années (Ref. 766)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 8 - 9; Rayons mous dorsaux (Total) : 28 - 38; Épines anales: 1 - 2; Rayons mous anaux: 22 - 33; Vertèbres: 23 - 25. Small specimens may have an additional forward-directed spine at first dorsal origin (embedded in larger specimens).
Body shape (shape guide): fusiform / normal.
Adults are often found offshore, up to 500 miles from the coast (Ref. 9283). Are considered as one of the straddling stocks in the northeast Pacific (Ref. 87829). They form large schools (Ref. 2850). Young frequently occur in school near kelp and under piers (Ref. 2850). They feed mainly on small crustaceans and fish larvae (Ref. 9283). Large individuals often move inshore and north in the summer (Ref. 2850). Marketed fresh, smoked, canned and frozen; eaten fried, broiled and baked (Ref. 9988).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; pêche sportive: oui
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00955 (0.00581 - 0.01569), b=2.96 (2.82 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.6 ±0.2 se; based on diet studies. |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.09-0.21;tm=2-3; tmax=30; Fec<50,000). |
Vulnérabilité de la pêche (Ref. 59153) |
High to very high vulnerability (66 of 100). 🛈 |
Vulnérabilité climatique (Ref. 125649) |
Moderate vulnerability (38 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Low.
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Nutriments (Ref. 124155) |
Calcium = 256 [162, 427] mg/100g; Iron = 4.83 [2.91, 8.14] mg/100g; Protein = 19.8 [19.0, 20.6] %; Omega3 = 0.337 [0.227, 0.527] g/100g; Selenium = 34.8 [19.9, 61.1] μg/100g; VitaminA = 6.65 [1.75, 28.82] μg/100g; Zinc = 1.51 [1.11, 2.16] mg/100g (wet weight); |