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Summer Flounder


Summer Flounder

Summer Flounder are Maryland's premier flatfish species found in estuarine and coastal waters throughout the state.

Scientific Name: Paralichthys dentatus

Also known as Fluke


Physical Characteristics:
  • Left-eyed flatfish have both eyes on the left side of their body and feature 10 to 14 eye-like spots scattered across their eyed side, which provides excellent camouflage against the ocean floor.
  • Their underside is consistently white.
  • Average 3-6 pounds and 15-22 inches long.

What to know

Habitat Distribution

  • Found in all waters where salinity exceeds 10 parts per thousand, including the Maryland Coastal Bays, nearshore Atlantic Ocean, and Chesapeake Bay up to the Bay Bridge.
  • They're largely restricted to waters south of Annapolis in the Chesapeake Bay system.

Key Locations

  • Maryland Coastal Bays behind Ocean City, the Chesapeake Bay south of Annapolis (particularly near the Virginia line and mouth of the Potomac River), and nearshore Atlantic waters.

Specific Spots

  • Found around structure like docks, bridges, wrecks, and reefs, but typically lie in adjacent sand areas facing into the current.
  • Target the transition zones where sand meets structure.

Summer Flounder FAQ

Answers from onWater's species guide.

What are the best lures and bait for Summer Flounder in Maryland?

Live minnows and squid strips, fresh cut bait - strips from the white belly of any legally caught fish, particularly squid cut into long 1-inch wide strips that flutter naturally in the water. Live shrimp. White bucktail jigs tipped with squid strips bounced along the bottom to mimic wounded baitfish.

When is the best time to fish for Summer Flounder in Maryland?

Most productive from April through October, with peak activity during mid-summer. Spawning occurs in fall and winter during offshore migrations (September through February depending on latitude), making these periods less productive for fishing.

How do you catch Summer Flounder in Maryland?

Dr.ifting being the most popular technique. Present baits on the bottom using a Carolina rig with an e.g.g sinker, swivel, and 3-foot leader, or a high/low dropper rig for multiple baits at different depths. Adjust sinker weight so it just bounces the bottom when drifting.

What do Summer Flounder eat?

Voracious predators that feed on a variety of prey including decapod shrimp (Crangon septemspinosa), mysid shrimp, weakfish, Atlantic silversides, crabs, and amphipods. They're opportunistic feeders that consume both live and dead prey, with shrimp being particularly important in their diet.

Where do Summer Flounder live in Maryland?

Found in all waters where salinity exceeds 10 parts per thousand, including the Maryland Coastal Bays, nearshore Atlantic Ocean, and Chesapeake Bay up to the Bay Bridge. They're largely restricted to waters south of Annapolis in the Chesapeake Bay system.

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