Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 0 - 380 m (Ref. 50550). Temperate
North Pacific: Sea of Japan to Point Hope, Alaska in the Chukchi Sea to Amchitka Island in the Aleutian chain and southeastern Alaska.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 760.00 g (Ref. 56527)
Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 12 - 15; Anal spines: 0; Anal soft rays: 10 - 13. Dorsal surface of head rough with 2 pairs of developed bony ridges; uppermost preopercular spine long and straight with some ascending processes dorsally in adults (Ref. 559). Lateral line scales large and with a rough posterior margin (Ref. 559).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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 2025-2)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources