Hippoglossoides elassodon Jordan & Gilbert, 1880
Flathead sole
Hippoglossoides elassodon
photo by Archipelago Marine Research Ltd.

Family:  Pleuronectidae (Righteye flounders), subfamily: Pleuronectinae
Max. size:  52 cm SL (male/unsexed); max.weight: 1,560.0 g; max. reported age: 27 years
Environment:  demersal; marine; depth range 0 - 1050 m, oceanodromous
Distribution:  North Pacific: Sea of Japan, Sea of Okhotsk, and the Bering Sea along the western coast of America to Pt. Reyes, central California, USA.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 75-85; Anal spines: 0-0; Anal soft rays: 55-68; Vertebrae: 42-46. Dorsal origin over anterior part of upper eye. Caudal with small elongation in center. Pectorals rather large with rounded tips.
Biology:  Found on soft bottom (Ref. 2850). Adults usually below 180 m (Ref. 2850). Feed on clams, worms and crustaceans (Ref. 6885). Taken by shrimp and otter trawls (Ref. 6885).
IUCN Red List Status: Least Concern (LC); Date assessed: 05 November 2020 Ref. (130435)
Threat to humans:  harmless


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