Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 75 - 440 m (Ref. 7251). Tropical; 32°N - 33°S
Western Atlantic: Georgia, USA and northern Gulf of Mexico to Brazil; not occurring in the West Indies.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 31.6 cm TL mâle / non sexé; (Ref. 115012); common length : 20.0 cm TL mâle / non sexé; (Ref. 5217); poids max. publié: 556.60 g (Ref. 115012)
Épines dorsales (Total) : 12; Rayons mous dorsaux (Total) : 9 - 10; Épines anales: 3; Rayons mous anaux: 6. Snout length almost equal to orbit diameter; third dorsal spine not elongated (Ref. 13608).
Found on soft substrate. Have a thick glandular tissue on posterior margin of fin spines which is believed to be venomous (Ref. 57406).
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)
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 13.6 - 23.5, mean 18.8 °C (based on 99 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00674 - 0.01956), b=3.03 (2.88 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
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 vulnerability (22 of 100).