Actinopteri (ray-finned fishes) > Eupercaria/misc
(Various families in series Eupercaria) > Labridae
Etymology: Pseudolabrus: Greek, pseudes = false + Greek, labrax = a fish, Dicentrarchus labrax (Ref. 45335); japonicus: Specific epithet refers to the country of origin of Houttuyn's type specimens.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 0°C -
Northwest Pacific: central Honshu to Okinawajima in Japan; South Korea, southern China, Taiwan, and Hong Kong.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 559)
Retires under low rock ledges at night. Feeds mainly on small benthic organisms (small crustaceans, mollusks and polychaete worms, sponges, coral polyps). Hibernates in the sand in winter.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Russell, B.C., 1988. Revision of the labrid fish genus Pseudolabrus and allied genera. Rec. Aust. Mus. (Suppl. 9):1-72. (Ref. 26203)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 17.6 - 26.9, mean 22.8 °C (based on 267 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.35 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (32 of 100) .