Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 40 - 700 m (Ref. 5217), usually 40 - 179 m (Ref. 47377). Deep-water; 36°N - 45°S, 97°W - 34°W
Western Atlantic: North Carolina, USA and northern Gulf of Mexico to Argentina.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 67.5 cm TL mâle / non sexé; (Ref. 55642); common length : 45.0 cm TL mâle / non sexé; (Ref. 3787)
Inhabits soft bottoms (Ref. 5217). Feeds mainly on fishes (Ref. 3787). Considered a good food fish; marketed fresh or frozen (Ref. 3787).
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: intérêt commercial mineur
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 17.3 - 27, mean 22.6 °C (based on 285 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00693 - 0.01903), b=3.01 (2.86 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 4.5 ±0.3 se; based on diet studies.
Generation time: 7.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Prior r = 0.56, 95% CL = 0.37 - 0.83, Based on 2 data-limited stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (55 of 100).
Nutrients (Ref.
124155): Calcium = 22.2 [10.8, 46.4] mg/100g; Iron = 0.462 [0.241, 0.856] mg/100g; Protein = 19.9 [16.3, 22.5] %; Omega3 = 0.32 [0.14, 0.78] g/100g; Selenium = 11.5 [4.0, 36.6] μg/100g; VitaminA = 16.6 [3.8, 76.5] μg/100g; Zinc = 0.23 [0.12, 0.75] mg/100g (wet weight);