Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Pleuronectidae
(Righteye flounders) > Pleuronectinae
Etymology: Atheresthes: Greek, atheres = spike + The name of Astyanax, Hector´s son in the Greek mithology (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 18 - 950 m (Ref. 50610). Polar; 67°N - 35°N, 162°E - 122°W (Ref. 57234)
North Pacific: Bering Sea coasts of Russia and Alaska to San Simeon, California, USA. The San Pedro, California, USA record for this species in Miller and Lea 1972 (Ref. 6792) is based on a misidentification of Eopsetta exilis.
Length at first maturity / Size / Weight / Age
Maturity: Lm 37.9  range ? - ? cm
Max length : 84.0 cm TL male/unsexed; (Ref. 2850); common length : 50.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 8.6 kg (Ref. 56527); max. reported age: 23 years (Ref. 55701)
Morphology | Morphometrics
Adults are found on soft bottoms (Ref. 2850). Feed on crustaceans and fishes (Ref. 6885). Not marketed as human food (Ref. 2850).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Fisheries: highly commercial; gamefish: yes
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 2.2 - 6.5, mean 4.6 (based on 172 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00629 - 0.00874), b=3.06 (3.02 - 3.10), in cm Total Length, based on LWR estimates for this species (Ref. 93245
Trophic Level (Ref. 69278
): 4.2 ±0.3 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (tmax=23; K=.06-0.09; tm=5-7; Fec=250,000).
Prior r = 0.32, 2 SD range = 0.18 - 0.57, log(r) = -1.14, SD log(r) = 0.29, Based on: 2 K, 4 tgen, 1 tmax, 2 Fec records
Vulnerability (Ref. 59153
): High vulnerability (64 of 100) .