Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 18 - 1290 m (Ref. 50610), usually 400 - 700 m (Ref. 56575). Boreal; 1°C - 4°C (Ref. 56575); 62°N - 34°N, 157°E - 120°W (Ref. 57305)
North Pacific: Komandorski Island and Avachin Bay, Russia through the Aleutian chain to north of St. Mathew Island in the Bering Sea (Ref. 6793) and Eureka, northern California, USA.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 24.2 cm TL mâle / non sexé; (Ref. 56575); common length : 20.0 cm TL mâle / non sexé; (Ref. 56575); âge max. reporté: 9 années (Ref. 56575)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 6 - 8; Rayons mous dorsaux (Total) : 6 - 7; Épines anales: 0; Rayons mous anaux: 7 - 9. Caudal rounded; lower 4 or 5 rays of pectorals thicker but membrane reaching nearly to ends; pelvic fins reduced (Ref. 6885). Light brown on dorsal surface, dusky light brown on ventral surface; dark blue on ventral surface of head; all fins very dark (Ref. 6885).
Found on soft bottoms (Ref. 2850).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Kanayama, T., 1991. Taxonomy and phylogeny of the family Agonidae (Pisces: Scorpaenifomes). Mem. Fac. Fish. Hokkaido Univ. (38)1-2:1-199. (Ref. 28197)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 3.2 - 5.2, mean 3.6 °C (based on 56 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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): 3.3 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).