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Rock Bass

Rock Bass

Rock Bass are native to central and western Maryland waters. Despite their name, they're actually members of the sunfish family, not true bass.

They're aggressive feeders with voracious appetites and are known for their abundance and willingness to bite, making them easy targets for anglers.

Scientific Name: Ambloplites rupestris

Also known as redeye, goggle eye, rock sunfish

Physical Characteristics:
  • These stocky fish have distinctive dark spots on each scale forming striped-like patterns, olive-green to brassy colored sides, red eyes, and a dark spot on the cheek.
  • Rock Bass in Maryland typically average 6-10 inches, rarely exceeding one pound, though the state record reached 1.5 pounds.

What to know

Habitat Distribution

  • They inhabit clear, cool to warm waters with rocky or gravel bottoms and vegetation, favoring stone-armored shorelines and breakwaters.
  • Target clear flowing streams throughout the Potomac watershed.

Key Locations

  • Common throughout the Potomac River watershed including tributary rivers like the Monocacy and Conococheague, and are found in waters like Deep Creek Lake, Piney Reservoir, and various streams.
  • Specific productive locations include the Potomac River around Williamsport, Conococheague Creek, Monocacy River, and Deep Creek Lake.

Specific Spots

  • Target rocky habitats, limestone ledges, areas with logs and boulders.
  • Fish near stone-armored shorelines, breakwaters, and areas with scattered rocks and vegetation.

Rock Bass FAQ

Answers from onWater's species guide.

What are the best lures and bait for Rock Bass in Maryland?

Effective lures include spinners, jigs, small crankbaits, 2-inch grubs on 1/16 oz jigheads, micro-sized crankbaits, small topwater lures, and 2.5-inch Rapala Floating Minnows.

When is the best time to fish for Rock Bass in Maryland?

The prime fishing season runs from late spring through early fall, with spawning season (May-June) being a time to avoid targeting them.

How do you catch Rock Bass in Maryland?

Be prepared for aggressive strikes as they can viciously attack baits. In areas with heavy cover where snags are likely, stick with simple worm presentations on weedless hooks.

What do Rock Bass eat?

They consume crayfish, insects, small fish (including their own young), and aquatic vegetation.

Where do Rock Bass live in Maryland?

They inhabit clear, cool to warm waters with rocky or gravel bottoms and vegetation, favoring stone-armored shorelines and breakwaters. Target clear flowing streams throughout the Potomac watershed.

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