Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Pleuronectidae
(Righteye flounders) > Pleuronectinae
Etymology: Microstomus: Greek, mikros = small + Greek, stoma = mouth (Ref. 45335).
Environment / Climate / Range
Marine; demersal; depth range 10 - 1370 m (Ref. 50610). Temperate; 65°N - 31°N
Length at first maturity / Size / Weight / Age
Maturity: Lm 38.0, range 38 - 40 cm
Max length : 76.0 cm TL male/unsexed; (Ref. 2850); common length : 40.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 3.5 kg (Ref. 56527); max. reported age: 56 years (Ref. 74500)
Eastern Pacific: Navarin Canyon in the Bering Sea to Stalemate Bank in the Aleutian Islands and San Cristobal Bay, Baja California, Mexico.
Adults occur on mud bottom (Ref. 2850). They move into deep water in winter (Ref. 2850). Produce large amounts of slime which may cover other fishes when caught in trawls (Ref. 4925). Marketed as mink food (Ref. 4925) or as fillet (Ref. 2850).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 336 p. (Ref. 2850)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: commercial; gamefish: yes
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00410 - 0.01279), b=3.05 (2.90 - 3.20), based on LWR estimates for species & Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.1 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (tm=5; tmax=56; K=0.26; Fec=37,000).
Vulnerability (Ref. 59153
): High to very high vulnerability (71 of 100) .