Skip to main content

Smallmouth Bass


Smallmouth Bass

Smallmouth Bass are native to Pennsylvania and represent one of the state's premier gamefish species. They are naturally distributed throughout the St.

Lawrence-Great Lakes system, Hudson Bay, and Mississippi River basins, making Pennsylvania waters ideal habitat.

Scientific Name: Micropterus dolomieu


Physical Characteristics:
  • These bronze-colored fish with red eyes and dark vertical stripes.
  • Pennsylvania smallmouth typically range 8-20 inches, with trophy fish over 5 pounds possible in premier waters like Lake Erie.

What to know

Habitat Distribution

  • They thrive in Pennsylvania's rocky rivers and clear lakes, preferring cooler, well-oxygenated waters with gravel bottoms and abundant structure.

Key Locations

  • Lake Erie (considered world-class), the Susquehanna River system, Allegheny River, Juniata River, Delaware River, and numerous smaller streams and lakes throughout the state.
  • Rivers like the Allegheny, Clarion, and Delaware.

Specific Spots

  • Target rocky structure, drop-offs, current breaks, boulder fields, and points.
  • Focus on riffles, pools, and rocky runs.
  • Depths of 15-35 feet most productive on Lake Erie.
  • Males building and guarding nests in rocky, shallow areas during spawning.

Smallmouth Bass FAQ

Answers from onWater's species guide.

What are the best lures and bait for Smallmouth Bass in Pennsylvania?

Crayfish imitations, spinnerbaits, crankbaits, and jigs work well. Jigs, jigging spoons, and brown tube jigs that mimic gobies.

What flies work for Smallmouth Bass in Pennsylvania?

Clouser Minnows (olive/white, chartreuse/white, gray/white, brown/orange variations), Woolly Buggers in black, brown, and gray, and Murray's Hellgrammite patterns. 3-inch articulated streamers like Sex Mini Dungeons and Hansen's Meal Ticket in size 6. Small streams require 2-3 inch flies.

When is the best time to fish for Smallmouth Bass in Pennsylvania?

Summer months (June-September) when water temperatures are warmest, though spring and fall can be exceptional. Lake Erie offers world-class fishing from late May through October.

How do you catch Smallmouth Bass in Pennsylvania?

Wade and drift fishing opportunities, employ trout-like tactics in clear low water, strip-set hooks aggressively as smallmouth have hard mouths. During hot summer periods, fish deeper pools and current-rich areas, or focus on dawn/dusk feeding windows.

What do Smallmouth Bass eat?

Smallmouth bass are aggressive predators with diverse diets including crayfish (a primary food source), hellgrammites, various minnows, sculpins, gobies, insects, and even small amphibians.

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 Smallmouth Bass.

  1. 01 · Species map filter

    Map every Smallmouth Bass water

    Pick Smallmouth Bass and the map zeroes in on the waters they call home. No more guessing which lake holds them.

  2. 02 · Waterbody species

    Tap any water. See what lives there.

    Species, behavior and seasonal patterns for every lake, river and pond, before you leave the driveway.

  3. 03 · Angler Intelligence

    Ask how to catch Smallmouth Bass

    Tactics, gear and timing from onWater's AI fishing guide, tuned to the species and the water you're on.

Stop guessing where Smallmouth Bass are.

Open the map, filter by Smallmouth Bass, 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.

Pennsylvania licenses and regulations

Explore nearby waters

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.