Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Sciaenidae
(Drums or croakers)
Etymology: Umbrina: Latin, umbra, -ae = shadow, in the sense of phantom; due to its quick movements (Ref. 45335). More on author: Gill.
Environment / Climate / Range
Marine; benthopelagic. Tropical; 24°N - 3°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 55763); common length : 22.0 cm TL male/unsexed; (Ref. 55763)
Morphology | Morphometrics
Body oblong, its back arched; snout prominent; mouth small and inferior; lower jaw enclosed by upper; chin with a stiff barbel; edge of preopercle serrate; lower branch of first gill arch with 18 to 25 gill rakers; second dorsal fin long, with 29 to 33 soft rays; body silvery, bluish-gray; belly pale; flanks with dark stripes; branchial cavity fairly dark (Ref. 55763).
Eastern Pacific: Mexico to Ecuador.
Found in sandy coasts and bays, also in littoral pools (Ref. 9118). Feeds on crustaceans and worms (Ref. 9118). Considered a good food fish (Ref. 9118). Sold fresh and its meat is highly valued (Ref. 55763).
Chao, L.N., 1995. Sciaenidae. Corvinas, barbiches, bombaches, corvinatas, corvinetas, corvinillas, lambes, pescadillas, roncachos, verrugatos. p. 1427-1518. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para identificacion de especies para los fines de la pesca. Pacifico Centro-oriental. 3 volumes. 1813 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: minor commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00455 - 0.01912), b=3.09 (2.92 - 3.26), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.39 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 to moderate vulnerability (29 of 100) .