Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; distribuzione batimetrica 0 - 15 m (Ref. 50610). Temperate
Pacific Ocean: Commander Islands; Pribilof and Aleutian Islands to Washington, USA.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 31.0 cm TL maschio/sesso non determinato; (Ref. 2850)
Spine dorsali (totale): 0; Raggi dorsali molli (totale): 37-40; Spine anali 0; Raggi anali molli: 29 - 32. Light brown, gray, pale pea green, to purplish brown; breast and lower part of head lighter. Profile depressed over eyes, occiput slightly raised. Eye very small. Dorsal fin deeply notched anteriorly, forming lobe. Pyloric caeca numerous, matted closely together (more than 200) (Ref. 43939).
Ranges from tide pools to shallow water near shore (Ref. 43939).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Acquario: Acquari pubblici
Informazioni ulteriori
Nomi ComuniSinonimiMetabolismoPredatoriEcotossicologiaRiproduzioneMaturitàDeposizioneSpawning aggregationFecundityUovaEgg development
BibliografiaAcquacolturaProfilo di acquacolturaVarietàGeneticaElectrophoresesEreditarietàMalattieElaborazioneNutrientsMass conversion
CollaboratoriImmaginiStamps, Coins Misc.SuoniCiguateraVelocitàModalità di nuotoArea branchialeOtolithsCervelliVista
Strumenti
Special reports
Download XML
Fonti Internet
Estimates based on models
Preferred temperature (Ref.
123201): 4.6 - 10.8, mean 7 °C (based on 569 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00237 - 0.01161), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).