Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 0 - 65 m (Ref. 50550). Temperate
Northwest Pacific: Kuril Islands and Tartar Strait to Peter the Great Bay, Japan Sea.
Length at first maturity / Size / Weight / Age
Maturity: Lm 17.8  range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 56557)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2; Dorsal soft rays (total): 39 - 40; Anal spines: 1 - 2; Anal soft rays: 29 - 31. Resemble B. leurolepis but easily distinguished by a distinct dark (blue when fresh) blotch on the operculum, and a smaller number of lateral line scales. Attains about 15 cm SL.
Inhabits rocky shore areas.
Pairing observed during breeding (Ref. 205).
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Tools
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