Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten pelagic-neritic. Tropical; 30°N - 7°S, 116°W - 76°W
Eastern Pacific: Southern Gulf of California to Colombia, Ecuador and to Peru.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 37.4 cm SL hane/ej könsbestämd; (Ref. 95327); common length : 25.0 cm TL hane/ej könsbestämd; (Ref. 55763); publicerad maxvikt: 626.00 g (Ref. 124487)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Body elongate and somewhat compressed; dorsal profile slightly concave above the eyes; lateral line extending to posterior edge of caudal fin; second anal spine, when folded down, reaching or surpassing origin of caudal fin; pectoral and pelvic fins sub-equal; first gill arch with 26 to 31 gill rakers; back blue gray; belly white; lateral line pale; membranes between dorsal spines and between second and third anal spines pale (Ref. 55763).
Body shape (shape guide): fusiform / normal.
Adults are found mainly in estuaries but also enter freshwater to an elevation of 50 m. Diet consists primarily of fish, crustaceans and mollusks (Ref. 36880).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Bussing, W.A., 1995. Centropomidae. Róbalos. p. 987-995. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9284)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; sportfisk: ja
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 24 - 28.6, mean 27.5 °C (based on 26 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00612 - 0.00940), b=3.05 (3.00 - 3.10), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.8 ±0.59 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Moderate vulnerability (36 of 100).
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Näringsämnen (Ref.
124155): Calcium = 187 [113, 334] mg/100g; Iron = 1.62 [0.97, 2.52] mg/100g; Protein = 19.6 [17.2, 21.9] %; Omega3 = 0.299 [0.130, 0.710] g/100g; Selenium = 37.4 [18.2, 81.0] μg/100g; VitaminA = 14.5 [5.7, 39.0] μg/100g; Zinc = 1.5 [1.1, 2.1] mg/100g (wet weight);
