Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique; océanodrome (Ref. 51243); profondeur 0 - 100 m (Ref. 58302). Temperate
Pacific: Japan (Ref. 559) and South Korea (Ref. 77001). Eastern Pacific: rare off California, USA.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 61.0 cm TL mâle / non sexé; (Ref. 2850)
Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 46-55; Épines anales 0; Rayons mous anaux: 40 - 43. Dorsal and anal fins very high. Dorsal fin inserted above middle of snout, the fin reaching a little behind the caudal fin base, the 4th ray much stouter than others. Dorsal and anal fins with scaly sheaths; rays of the fins not articulated. Attains 45 cm SL.
Oceanic. The species is very rare and most likely seen as stomach content of large predatory fishes, such as tunas. Young probably inhabits shallow, adult deep water.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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Estimates based on models
Preferred temperature (Ref.
123201): 14.8 - 26.3, mean 23.3 °C (based on 390 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.2 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (tmax=9-11; very rare).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).