Environment: milieu / climate zone / depth range / distribution range
Ecología
marino batidemersal; rango de profundidad 3248 - 5320 m (Ref. 58018). Deep-water; 23°S - 63°S
Southern Ocean and Atlantic: Scotia Sea abyss and Peru-Chile Trench (Ref. 5197), Weddell Sea and the Crozet Plateau (Ref. 75765, 90064).
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 24.8 cm SL macho / no sexado; (Ref. 11954)
Short description
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 106; Radios blandos anales: 95 - 112; Vértebra: 117 - 138. This species differs form all other Southern Ocean congeners by having very large head pores and the retrograde origin of the dorsal fin (predorsal distance 27-36.6% SL, free dorsal-fin pterygiophores 6-16; pelvic fin present; anal fin rays 95-112; vertebrae 117-138 (Ref. 75765).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Anderson, M.E., 1990. Zoarcidae. p. 256-276. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5197)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesquerías: sin interés
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): -0.3 - 1.7, mean 0.8 °C (based on 4494 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00120 (0.00058 - 0.00248), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
