Hippoglossoides dubius
Hippoglossoides dubius
- Least concern
- Card rarity: Common
- Fish

The flathead flounder is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on bottoms in shallow coastal waters, at depths of between 10 and 600 metres. Its native habitat is the northwestern Pacific, particularly the seas of Japan and Okhotsk, and the coastlines of Kamchatka and Korea. It grows up to 45 centimetres (18 in) in length.
Classification
- Class
- Actinopterygii
- Order
- Carangiformes
- Family
- Pleuronectidae
- Genus
- Hippoglossoides