Article · Wikipedia archive · Last revised Jul 13, 2026

Pseudopleuronectes obscurus

Pseudopleuronectes obscurus, or dark flounder 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).

Last revised
Jul 13, 2026
Read time
≈ 1 min
Length
143 w
Citations
2
Source
Pseudopleuronectes obscurus
Scientific classification Edit this classification
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)

Pseudopleuronectes obscurus, or dark flounder1 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

References

References

  1. "Dark Flounder". Encyclopedia of Life. Retrieved 2020-01-12.
  2. Ed. Rainer Froese and Daniel Pauly (6 October 2010). "Pseudopleuronectes obscurus". Fishbase. Retrieved 2011-08-24.