
| Typical size | 15–22 in, 1–4 lb |
|---|---|
| Maximum | up to 37 in and about 26 lb |
| Lifespan | 12–14 years |
| Range | Atlantic coast from Nova Scotia to Florida, most abundant from Cape Cod, Massachusetts south to Cape Fear, North Carolina. |
| Habitat | Sand and mud bottom in bays, inlets, channel edges and nearshore ocean in the warm months, dropping to the outer shelf in winter. |
| Diet | Ambushes small fish such as bay anchovy, silversides and sand eels, plus squid, shrimp and crabs taken off the bottom. |
Sizes are typical rod-and-reel and documented maximum figures, not size limits — see the regulations links below for the rules where you fish.
Tell it apart: With the dark side up and the dorsal fin away from you, the eyes sit on the LEFT and the mouth is large and toothy, the gape reaching past the eye, separating fluke from the smaller, right-eyed, tiny-mouthed winter flounder.
Side by side: Summer Flounder vs Winter Flounder
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mid-Atlantic Inshore | ||||||||||||
| Northeast Nearshore |