Willowy flounder
Glyptocephalus kitaharae
- Near threatened
- Card rarity: Uncommon
- Fish

The willowy flounder is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on bottoms at depths of between 100 and 200 metres. Its native habitat is the temperate waters of the Western Pacific, from Southern Hokkaido in Japan to the Gulf of Bohai, the East China Sea and Taiwan. It can grow up to 30 centimetres (12 in) in length. It is sometimes classified in the monotypic genus Tanakius.
Classification
- Class
- Actinopterygii
- Order
- Carangiformes
- Family
- Pleuronectidae
- Genus
- Glyptocephalus