Teleostei (teleosts) >
Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Ctenosciaena: Greek, kteis, ktenos = comb + Greek, skiaina = barbel, red mullet (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 10 - 130 m (Ref. 9626), usually 10 - 80 m (Ref. 3702). Tropical; 13°N - 34°S, 77°W - 38°W
Western Atlantic: Nicaragua along the Caribbean coast and Atlantic coasts of South America to southern Brazil.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 21.0 cm TL male/unsexed; (Ref. 9626); common length : 16.0 cm TL male/unsexed; (Ref. 3702); max. published weight: 77.20 g (Ref. 118626)
Dorsal spines (total): 11; Dorsal soft rays (total): 21 - 24; Anal spines: 2; Anal soft rays: 7 - 8. Body silvery, grey on back and white on belly. Inside of opercle lining black, appearing as a dark triangular blotch externally. Base of pectoral fin and axil with a dark spot. Upper half of spinous dorsal fin dusky. Other fins pale. Mouth moderately large, slightly inferior. Tip of chin with a pointed flexible barbel. Gas bladder carrot-shaped, without appendages. Sagitta (large earstone) thick and ovoid, lapillus (small earstone) rudimentary (Ref 51721).
Body shape (shape guide): fusiform / normal.
Inhabits coastal waters, usually over sandy mud bottoms (Ref. 3702). Feeds mainly on shrimps (Ref. 3702). Important food fish.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cervigón, F., 1993. Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p. (Ref. 9626)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fisheries: minor commercial; bait: usually
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 20.1 - 27.8, mean 26.1 °C (based on 290 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00776 - 0.00934), b=3.08 (3.06 - 3.10), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.4 se; based on diet studies.
Generation time: 3.3 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
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Nutrients (Ref.
124155): Calcium = 175 [98, 350] mg/100g; Iron = 1.08 [0.56, 1.97] mg/100g; Protein = 18.7 [17.5, 19.9] %; Omega3 = 0.267 [0.136, 0.465] g/100g; Selenium = 49.7 [24.9, 98.9] μg/100g; VitaminA = 37.7 [12.5, 133.0] μg/100g; Zinc = 1.28 [0.89, 1.87] mg/100g (wet weight);
