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Flounder (Photo: Karsten Dahl)
It is Baltic subspecies of the European flounder, abundant throughout the Baltic, except depths below 150 m, the northern part of the Gulf of Bothnia, eastern part of the Gulf of Finland, and southern part of the Gulf of Riga where occurring quite rarely.

There are two ecological races: the deep spawning flounder and the bank spawning flounder.

Spawning period is from March – June, which it spends in the Gotland Deep at the depths of 80 - 120 m.

Young fish spending first years in shallow coastal areas at depths of a few meters.

This fish is commercially important species.
Flounder (Platichthys flesus)
Flounder (Photo: Karsten Dahl)