Southern Flounder

Southern Flounder in Mississippi are flatfish that inhabit the Gulf Coast's saltwater and brackish environments. They are ambush predators that bury themselves in sandy or muddy bottoms.
Scientific Name: Paralichthys lethostigma
- They exhibit strong sexual dimorphism - females can reach 23 inches and live up to 8 years, while males rarely exceed 12-13 inches and typically live only 3 years.
- Flatfish that undergo characteristic metamorphosis where the right eye migrates to the left side of the head.
Fishing in Mississippi
What to know
Habitat Distribution
- Gulf Coast's saltwater and brackish environments.
- These fish are euryhaline, tolerating salinities from 0-36 ppt, and can be found from pure freshwater far up coastal rivers to full-strength seawater.
Key Locations
- Areas between Gulfport and Waveland with abundant sandbars.
Specific Spots
- Oyster bars, grass flats, dock pilings, and current-swept channels.
- Particularly around oyster bars, grass flats, and current-swept areas where sandbars are abundant.
- Fish shallow water (2-6 feet).
Southern Flounder FAQ
Answers from onWater's species guide.
What are the best lures and bait for Southern Flounder in Mississippi?
Berkeley Gulp Swimming Mullet and 3-inch Gulp Shrimp rigged on 1/8 to 1/2 ounce jigheads depending on depth and current. DOA CAL 3-4 inch shad with paddle tails, shrimp-tipped feather jigs, and weedless gold spoons. White and chartreuse are the most productive colors, with natural combinations being secondary choices.
When is the best time to fish for Southern Flounder in Mississippi?
Spring through early fall, avoiding the October-December spawning migration period.
How do you catch Southern Flounder in Mississippi?
Fish slowly along the bottom with a bounce-bounce-pause retrieve, keeping lures within 18 inches of the substrate since that's the flounder's strike zone. Cast parallel to grass lines, dock pilings, and oyster bars, working the lure up-current and letting it drift naturally back.
What do Southern Flounder eat?
Their diet consists primarily of small fish (89-94% in studies), with anchovies being particularly favored, plus shrimp, mullet, menhaden, and croakers. As they grow larger, they don't eat bigger prey but consume more small fish.
Where do Southern Flounder live in Mississippi?
Gulf Coast's saltwater and brackish environments. These fish are euryhaline, tolerating salinities from 0-36 ppt, and can be found from pure freshwater far up coastal rivers to full-strength seawater.
Fish smarter with real-time insights
Whether you're en route and conditions shift or you're looking for the best spot based on current flows, we enable you to make informed decisions on the fly.





See it in the app
Most maps show you water.
onWater shows you Southern Flounder.
Stop guessing where Southern Flounder are.
Open the map, filter by Southern Flounder, and head to water that holds them. Download onWater and plan your next trip in minutes.
- Species map filter
- Angler Intelligence
- Fishing journal
Explore other species
Trout, bass, salmon, panfish and everything in between. Each guide unpacks the behavior, seasons, and tactics that put fish in the net.
No species information available.
Mississippi licenses and regulations
Explore nearby waters
Explore Mississippi waters
Top fishing waters
Popular Cities
Loading popular cities...
Smarter Fishing Starts in the App.
onWater Fish gives you everything you need to plan smarter, fish better, and own every trip from first cast to last.










