Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
marino demersal; oceanodromo (Ref. 41500), usually 5 - 150 m (Ref. 36453). Subtropical; - 53°S
Southwest Atlantic: Rio de Janeiro, Brazil to Patagonia, Argentina.
Length at first maturity / Tamaño / Peso / Age
Madurez: Lm 21.2  range ? - ? cm
Max length : 40.0 cm NG macho / no sexado; (Ref. 36453)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 75 - 89; Espinas anales: 0; Radios blandos anales: 60 - 71. Dark spots on ocular side irregularly and two dark small spots at end of both dorsal and anal fin bases on blind side symmetrically (Ref. 27363).
Body shape (shape guide): short and / or deep.
Feeds on amphipods, small crabs and polychaetes (Ref. 36453). In spring mature individuals migrate to 37°S and southwards to spawn and in autumn migrate offshore for feeding and growing (Ref. 41500).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Distinct pairing (Ref. 205).
Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986. Important fishes trawled off Patagonia. Japan Marine Fishery Resource Research Center, Tokyo. 369 p. (Ref. 27363)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Referencia
123201): 6.3 - 22.9, mean 12.1 °C (based on 642 cells).
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00262 - 0.00695), b=3.22 (3.08 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Referencia
69278): 3.3 ±0.49 se; based on food items.
Generation time: 2.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (K=0.4).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (45 of 100).
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