Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Pleuronectidae
(Righteye flounders) > Pleuronectinae
Etymology: Eopsetta: Greek, eos = dawn, aurore + Greek, psetta = grouper (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 60 - 1325 m (Ref. 56557). Subtropical
Northwest Pacific: Pacific coast of Japan, Sea of Japan, Yellow Sea, Gulf of Po-Hai, East China Sea to Taiwan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL male/unsexed; (Ref. 56557)
Found in the sublittoral zone, above 200 m on sandy mud bottoms (Ref. 11230). Cultured and released for fishery in Japan.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cooper, J.A. and F. Chapleau, 1998. Monophyly and intrarelationships of the family Pleuronectidae (Pleuronectiformes), with a revised classification. Fish. Bull. 96(4):686-726. (Ref. 30193)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 0.4 - 16.2, mean 8.8 (based on 106 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00396 - 0.01388), b=3.07 (2.91 - 3.23), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.21-0.30).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (47 of 100) .