Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; océanodrome (Ref. 51243); profondeur ? - 50 m (Ref. 37955). Tropical; 30°N -
Eastern Central Pacific: western coast of Baja California, Mexico to Peru (Ref. 11482).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 37.0 cm TL mâle / non sexé; (Ref. 55763); common length : 20.0 cm TL mâle / non sexé; (Ref. 55763)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Body elongate, moderately deep, and compressed; snout slightly pointed; adipose eyelid poorly developed; lower branch of the first gill arch with 28 to 30 gill rakers; chest entirely covered by scales; lateral line arched anteriorly, with 46 to 53 strong scutes in the straight part; back gray blue; belly silvery with green-gold highlights; 8 to 9 incomplete, dark, vertical bars along the flanks; edge of operculum with a very conspicuous black stain (Ref. 55763).
Adults inhabit coastal and oceanic waters (Ref. 9283). They feed on small fishes, crustaceans and other benthic invertebrates (Ref. 37955). Marketed fresh and salted or dried (Ref. 9283).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; pêche sportive: oui
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 21.8 - 28.5, mean 26.3 °C (based on 52 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00796 - 0.03794), b=2.94 (2.77 - 3.11), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.7 ±0.54 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).