Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gerreidae
Etymology: Eugerres: Greek, eu = good, well + Latin, gerres = a kind of anchovies; cited by Plinius. More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Tropical; 27°N - 14°N
Eastern Central Pacific: Gulf of California to El Salvador.
Size / Weight / Age
Maturity: Lm ?  range ? - 14.5 cm
Max length : 19.0 cm SL male/unsexed; (Ref. 9303)
(total): 9 - 10;
soft rays: 8. This species is distinguished by the following characters: gill rakers on the lower limb of the first branchial arch 11-14 (mode 13, 12 in type specimens); lips small, not enlarged; pectoral fins extending to the third anal spine base; depressed second anal spine extends to caudal peduncle base (Ref. 94655).
Inhabits coastal waters and lagoons, preferring areas with sandy bottoms (Ref. 9303, 37955). Forms schools (Ref. 37955). Feeds on small benthic invertebrates, algae and small fishes (Ref. 9303).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bussing, W.A., 1995. Gerreidae. Mojarras. p. 1114-1128. 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. 9303)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00967 - 0.03423), b=2.95 (2.79 - 3.11), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.50 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (24 of 100) .