Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 18 - 100 m (Ref. 5217), usually 40 - 70 m (Ref. 9626). Tropical; 37°N - 33°S, 98°W - 34°W
Western Atlantic: North Carolina, USA and Puerto Rico to Santa Catarina, Brazil (Ref. 57756). Absent in the Bahamas, Bermuda, and the western Caribbean (Ref. 26938).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 14.6  range ? - ? cm
Max length : 30.0 cm TL mâle / non sexé; (Ref. 26938); common length : 20.0 cm TL mâle / non sexé; (Ref. 3792); poids max. publié: 180.00 g (Ref. 126891)
Épines dorsales (Total) : 8; Rayons mous dorsaux (Total) : 8; Épines anales: 2; Rayons mous anaux: 6. Oblique dark bars across both lobes of caudal fin (Ref. 26938).
Found over mud and sand bottoms (Ref. 3792). Juveniles up to 8 cm are pelagic (Ref. 9626). Feeds mainly on benthic invertebrates (Ref. 3792). Flesh considered good quality; marketed fresh and frozen (Ref. 3792). In southwestern Brazil found in 112 m depth (Ref. 47377).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 19.5 - 27.3, mean 24.5 °C (based on 127 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00806 - 0.01131), b=3.11 (3.08 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Ref.
69278): 3.9 ±0.7 se; based on diet studies.
Generation time: 3.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
Nutrients (Ref.
124155): Calcium = 157 [89, 302] mg/100g; Iron = 1 [0, 2] mg/100g; Protein = 17.4 [15.4, 19.7] %; Omega3 = 0.291 [0.165, 0.535] g/100g; Selenium = 53.4 [28.0, 103.4] μg/100g; VitaminA = 27 [9, 94] μg/100g; Zinc = 1.07 [0.66, 1.52] mg/100g (wet weight); based on
nutrient studies.