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Freshwater Drum

Freshwater Drum

Freshwater Drum are not native to Maryland but have been documented in the Lower Susquehanna watershed since 2023, representing a recent nonindigenous occurrence.

Scientific Name: Aplodinotus grunniens

Physical Characteristics:
  • Deep-bodied, silvery fish distinguished by their laterally compressed form, long dorsal fin with a deep notch, and distinctive humpback appearance, especially in larger individuals.
  • Their lateral line extends uniquely into their rounded caudal fin, and they possess a blunt, subterminal mouth suited for bottom feeding.

What to know

Habitat Distribution

  • Lower Susquehanna watershed in Maryland.
  • Prefer medium to large rivers and lakes up to 40-60 foot depths.

Key Locations

  • Susquehanna River system and potentially other major waterways connected to their expanding range.

Specific Spots

  • Target areas with underwater structure like rock ledges, submerged boulders, and channel edges.
  • Deep river channels or near deep rock outcroppings.
  • Bottom areas with clean sand and gravel substrates.

Freshwater Drum FAQ

Answers from onWater's species guide.

What are the best lures and bait for Freshwater Drum in Maryland?

Live baits such as nightcrawlers, crayfish (crawdads), minnows, freshwater shrimp, and shiners. For artificial lures: jerk baits, gold or silver spoons (especially dimpled or solid varieties), lead head jigs, crankbaits, and spinners.

What flies work for Freshwater Drum in Maryland?

Clouser Minnows in chartreuse/white, olive/white, or brown/white, size #6-#2 Woolly Buggers in black or olive with flash, Muddler Minnows, and black stonefly nymphs retrieved slowly through eddies and near structure.

When is the best time to fish for Freshwater Drum in Maryland?

Summer months, particularly June and July are best. Fall fishing can be productive as drum feed aggressively before winter, while winter fishing requires deeper presentations as fish move to 60+ foot depths.

How do you catch Freshwater Drum in Maryland?

Bottom fishing proves most effective. When using lures in spring and fall, cast upstream and retrieve with the current while keeping the rod tip raised. Summer fishing from boats allows anglers to use fish finders to locate fish at various depths.

What do Freshwater Drum eat?

Adult Freshwater Dr.um feed primarily on benthic invertebrates including immature insects, crayfish, minnows, amphipods, and mollusks, often rooting around substrates and moving rocks to dislodge prey. They feed actively throughout nighttime hours and are known to consume zebra mussels when present.

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