Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 100 m (Ref. 58496). Temperate
North Pacific: Iwate Prefecture to Hokkaido, in the Peter the Great Bay, the coast of Primorskiy, the western and southeastern coast of Sakhalin and southern Kuril Islands.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 28 - 30 cm
Max length : 44.0 cm TL male/unsexed; (Ref. 56527)
soft rays: 32 - 35;
Vertebrae: 45 - 48. Dorsal fin deeply notched in mature males, and unnotched or shallowly notched in mature females; pectoral fin shallowly notched, notch more prominent in smaller specimens than in larger ones, and unnotched in the largest specimen (HUMZ 89888); caudal fin broad, its posterior margin rounded and dorsal and ventral notches usually present (Ref. 28160). Disk large, located almost between verticals through posterior margin of eye and gill opening (Ref. 28160). Body brown, gray or blackish; four basic patterns present - striped, speckled, mottled and plain; dorsal and anal fins with the same color pattern as body, with dark bars or entirely blackish; caudal fin with two dark bars; eye silvery (Ref. 28160).
Minimum depth reported at 0 m (Ref. 28160).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kido, K., 1988. Phylogeny of the family Liparididae, with the taxonomy of the species found around Japan. Mem. Fac. Fish. Hokkaido Univ. (35)2:125-256. (Ref. 28160)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 1.6 - 17, mean 8.6 °C (based on 82 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00219 - 0.00998), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.7 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (43 of 100) .