Environment: milieu / climate zone / depth range / distribution range
Ecología
marino batidemersal; rango de profundidad 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.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 67.5 cm TL macho / no sexado; (Ref. 55642); common length : 45.0 cm TL macho / no sexado; (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 | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: escaso valor comercial
Herramientas
Special reports
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Fuentes de 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).
Nivel trófico (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.
Resiliencia (Ref.
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (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);