Environment: milieu / climate zone / depth range / distribution range
Ecología
marino demersal; rango de profundidad 0 - 825 m (Ref. 50610). Polar; 79°N - 43°N, 134°E - 47°W (Ref. 117245)
North Pacific: Sea of Okhotsk to Arctic Canada.
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 20.4 cm SL macho / no sexado; (Ref. 11954)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 82 - 85; Espinas anales: 0; Radios blandos anales: 65 - 67; Vértebra: 92 - 94. Caudal region very short, preanal length contained less than 2 times in TL; lateral line midlateral; head and belly without scales; sparsely distributed scales only extending to pectoral tip (Ref. 559). Body with saddle-like or Y-shaped blotches; white bands on nape and below eye (Ref. 559).
Benthic; feeds on fishes and crustaceans (Ref. 58426).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Anderson, M.E., 1994. Systematics and osteology of the Zoarcidae (Teleostei: Perciformes). Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. 60:120 p. (Ref. 11954)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): -1.6 - 2.5, mean -0.5 °C (based on 1640 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00137 - 0.00504), b=3.22 (3.06 - 3.38), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.9 ±0.64 se; based on food items.
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
