Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; profondeur 20 - 250 m (Ref. 54802). Tropical; 19°S - (Ref. 1902)
South Atlantic and Pacific. Western Central Atlantic: Also reported in Nicaragua (Ref. 13613), Uruguay (Ref. 2806), and Peru (Ref. 5530).
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 28.5 cm TL mâle / non sexé; (Ref. 49326); âge max. reporté: 4 années (Ref. 31631)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 12; Rayons mous dorsaux (Total) : 23 - 27; Épines anales: 2; Rayons mous anaux: 21 - 24; Vertèbres: 31. Pale to dark blue-grey, back darker than sides; caudal fin dark, other fins clear (Ref. 4412).
Feeds mainly on salps. May be caught using a pelagic trawler (Ref. 33689).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Menni, R.C., R.A. Ringuelet and R.H. Aramburu, 1984. Peces marinos de la Argentina y Uruguay. Editorial Hemisferio Sur S.A. Buenos, Aires, Argentina. 359 p. (Ref. 2806)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 11.5 - 23.5, mean 17.7 °C (based on 364 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00621 - 0.01402), b=2.88 (2.77 - 2.99), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.0 se; based on diet studies.
Generation time: 1.7 ( 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 (tm=1; tmax=4; K=0.66).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
