Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; oceanodromo (Ref. 51243). Temperate
Northwest Pacific: from Japan to the southern part of the Korean Peninsula, and the Yellow and Pohai Sea coasts of China.
Length at first maturity / Size / Peso / Age
Maturity: Lm ?, range 8 - ? cm
Max length : 42.0 cm TL maschio/sesso non determinato; (Ref. 40637); peso massimo pubblicato: 1.6 kg (Ref. 40637)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 13; Raggi dorsali molli (totale) : 10 - 13; Spine anali: 3; Raggi anali molli: 6. This species is distinguished by the following characters: cranium armed dorsally with robust preocular, supraocular, postocular, and parietal spines; concave interorbital space; lower jaw scaleless and shorter than upper jaw; base of entire spinous portion of dorsal fin densely covered with minute scales; body with 3 dark brown saddles and lacking yellow or brownish-red markings on dorsum when fresh; dark spots on soft-rayed portion of dorsal and anal fins, and caudal fin (Ref. 93737).
Inhabits shallow rocky reefs (Ref. 42552). Viviparous (Ref. 34817).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Kai, Y. and T. Nakabo, 2013. Taxonomic review of the Sebastes pachycephalus complex (Scorpaeniformes: Scorpaenidae). Zootaxa 3637(5):541-560. (Ref. 93737)
IUCN Red List Status (Ref. 130435: Version 2024-2)
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 (Ref.
123201): 10.5 - 21.1, mean 17 °C (based on 42 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00760 - 0.01817), b=3.03 (2.90 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
Generation time: 3.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
