Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 8 - 100 m (Ref. 89896), usually ? - 40 m (Ref. 9626). Tropical; 34°N - 8°N, 98°W - 60°W
Western Atlantic: Bermuda, southern Florida (USA), and Bahamas to northern South America.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL maschio/sesso non determinato; (Ref. 7251); common length : 22.0 cm TL maschio/sesso non determinato; (Ref. 5217); peso massimo pubblicato: 320.00 g (Ref. 9626)
Spine dorsali (totale) : 12; Raggi dorsali molli (totale) : 10; Spine anali: 3; Raggi anali molli: 12 - 13. Moderately elongate, compressed fish with equally curved upper and lower profiles (Ref. 26938). Color primarily violet or purple; large individuals with a wash of yellow on lower two-thirds of body; prolonged portions of dorsal and anal fins and tips of pelvic fins blackish (Ref. 13442). Caudal fin emarginate in young, lunate in adults (Ref 52831).
Inhabits seaward reef slopes; occasionally on shallow patch reefs (Ref. 9710). Found in large midwater aggregations feeding on plankton (Ref. 9710), small jellyfishes, pteropods, pelagic tunicates and various invertebrate larvae (Ref. 13442). Form leks during breeding (Ref. 55367). Also caught with beach nets (Ref. 5217).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Forms lek during breeding (Ref. 55367). A monandric species (Ref. 55367). Length at sex change = 15.78 cm TL (Ref. 55367).
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)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale; Acquario: Commerciale
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 24.3 - 28, mean 26.8 °C (based on 170 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00456 - 0.02002), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.2 se; based on diet studies.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
Nutrients (Ref.
124155): Calcium = 52.4 [30.9, 87.4] mg/100g; Iron = 0.678 [0.394, 1.255] mg/100g; Protein = 18.3 [15.4, 20.5] %; Omega3 = 0.151 [0.095, 0.237] g/100g; Selenium = 33.1 [19.0, 60.3] μg/100g; VitaminA = 167 [55, 573] μg/100g; Zinc = 1.32 [0.92, 2.03] mg/100g (wet weight);