Sea Coach
All species

UK shore species

Flounder

Platichthys flesus

Also Fluke

BeginnerPopularNightledger

Habitat

Estuaries, creeks, muddy beaches, harbour corners, the lower tidal river.

Season

Peak: Oct · Nov · Dec · Jan · Feb · Mar

Also possible: Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec

The estuary flatfish. They live in mud, creeks and the lower river, take a worm in dirty water, and will feed in the day or after dark. The beginner’s winter fish on many east-coast and estuary marks.

  • Right-eyed, but a few reverse
  • Dull brown-olive, spots if present are not bright orange
  • Prickles along the bases of the dorsal and anal fins
  • A slightly rough feel compared with a plaice

20–35 cm is typical. A 40 cm flounder is a very good shore fish.

Colour
Olive-brown, dull spots, white or dusky blind side.
Fins
Prickles at the fin bases.
Mouth
Small, usually right-eyed.