Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; distribuzione batimetrica 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.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.2 cm TL maschio/sesso non determinato; (Ref. 56575); common length : 20.0 cm TL maschio/sesso non determinato; (Ref. 56575); Età massima riportata: 9 anni (Ref. 56575)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 6 - 8; Raggi dorsali molli (totale) : 6 - 7; Spine anali: 0; Raggi anali molli: 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
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Kanayama, T., 1991. Taxonomy and phylogeny of the family Agonidae (Pisces: Scorpaenifomes). Mem. Fac. Fish. Hokkaido Univ. (38)1-2:1-199. (Ref. 28197)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti 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).
Trophic level (Ref.
69278): 3.3 ±0.4 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 (14 of 100).