Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Pleuronectidae
(Righteye flounders) > Pleuronectinae
Etymology: Hypsopsetta: Greek, hypsi = high + Greek, psetta = grouper (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; demersal; depth range 1 - 50 m (Ref. 9331), usually 1 - 20 m (Ref. 9331). Subtropical; - 25°N
Eastern Pacific: Cape Mendocino in northern California, USA to southern Baja California, Mexico; isolated population in the Gulf of California.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 46.0 cm TL male/unsexed; (Ref. 2850); max. reported age: 9 years (Ref. 72462)
Occur on muddy or sandy bottoms, often in bays and sloughs. Feed almost totally during daylight (Ref. 9642) on polychaetes and siphons of bivalves (Ref. 9331). Pelagic spawners (Ref. 56049).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pelagic spawner (Ref. 56049).
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
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 12.7 - 22.9, mean 20.9 (based on 34 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00453 - 0.01836), b=3.09 (2.92 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.2 se; Based on diet studies.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=2.5; tmax=8).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (33 of 100) .