Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino demersale; distribuzione batimetrica 25 - 549 m (Ref. 6793). Temperate; 62°N - 27°N, 156°W - 113°W
Eastern Pacific: Kodiak Island, Alaska to Guadalupe Island, Baja California, Mexico. Rare south of San Francisco, California.
Length at first maturity / Size / Peso / Age
Maturità: Lm 23.0, range 20 - ? cm
Max length : 41.0 cm TL maschio/sesso non determinato; (Ref. 9015); Età massima riportata: 87 anni (Ref. 39247)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 13; Raggi dorsali molli (totale) : 12 - 14; Spine anali: 3; Raggi anali molli: 6 - 7. Head spines very strong to strong - nasal, preocular, supraocular, postocular, tympanic and parietal spines present, nuchals usually absent, coronal spine absent (Ref. 27437). 2nd anal fin spine long (Ref. 27437). Caudal fin slightly indented (Ref. 6885). Orange or yellow with greenish mottling dorsally, lighter ventrally; 4 to 5 squarish white spots tinged or boarded with light pink or yellow on back (Ref. 27437).
Found on soft bottoms (Ref. 2850). Often caught on commercial longlines set below 108 m (Ref. 27437). Viviparous (Ref. 34817).
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: commerciale; Pesce da pesca sportiva: si
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 4.9 - 8.6, mean 6.3 °C (based on 84 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00495 - 0.02022), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Molto basso, tempo minimo di raddoppiamento della popolazione più di 14 anni (tmax=87; tm=10).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
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