Pseudopleuronectes obscurus

Pseudopleuronectes obscurus, or dark flounder^[1] is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on salt bottoms in the temperate waters of the northwestern Pacific, from Hokkaido to the Kuril Islands, the Sea of Okhotsk, Sakhalin and the Tatar Strait to the northeastern coast of Korea and the Yellow Sea. It can grow up to 56 centimetres (22 in) in length, though it more commonly reaches around 35 centimetres (14 in), and its maximum recorded weight is 2.6 kilograms (5.7 lb).^[2]

Pseudopleuronectes obscurus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Carangiformes
Suborder:	Pleuronectoidei
Family:	Pleuronectidae
Genus:	Pseudopleuronectes
Species:	P. obscurus
Binomial name
Pseudopleuronectes obscurus (Herzenstein, 1890)
Synonyms
Pleuronectes obscurus Herzenstein, 1890 Liopsetta obscura (Herzenstein, 1890)