Environment: milieu / climate zone / depth range / distribution range
Ecología
marino demersal; rango de profundidad 1 - 750 m (Ref. 11892). Polar; 46°S - 57°S, 61°E - 83°E
Southern Ocean: endemic to the Kerguelen-Heard Plateau, Antarctica.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL macho / no sexado; (Ref. 2805); common length : 40.0 cm TL macho / no sexado; (Ref. 2805); peso máximo publicado: 500.00 g (Ref. 4883)
Short description
Claves de identificación | Morfología | Morfometría
Vértebra: 54 - 58.
Adults are found from near shore to farther than 750 m. Feed mainly on fishes and occasionally on algae.
Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesquerías: comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.3 - 2.5, mean 1.8 °C (based on 23 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00132 (0.00060 - 0.00289), b=3.46 (3.28 - 3.64), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.3 ±0.54 se; based on food items.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Assuming tm=4; Fec = 2,770).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (73 of 100).
Nutrients (Ref.
124155): Calcium = 27 [15, 56] mg/100g; Iron = 0.413 [0.189, 0.800] mg/100g; Protein = 17.5 [15.8, 19.2] %; Omega3 = 0.24 [0.12, 0.48] g/100g; Selenium = 23 [9, 53] μg/100g; VitaminA = 7.5 [1.5, 35.0] μg/100g; Zinc = 0.409 [0.275, 0.608] mg/100g (wet weight);