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Field Guide / Fish

Freshwater Drum

Aplodinotus grunniens

A humpbacked, silvery bottom feeder that grunts underwater, abundant in big rivers and lakes and often caught by accident.

Illustration of a freshwater drum in side view, humped silvery gray with a long notched dorsal fin and rounded tail
Illustration for general reference. Individual fish vary in color and markings — always confirm identification before keeping a fish where size or species limits apply.
Type
Other
Water
Warm water
Habitat
Rivers, Lakes, Reservoirs
Typical size
1 to 5 lb; larger fish are possible
Range
Found from southern Canada through the Great Lakes and Mississippi basin and south into the Gulf Coast states and Central America, east of the Rockies.
Best seasons
Late spring through fall

How to identify it

  • The back is strongly humped, and the body is silvery-gray with a pale belly.
  • A long dorsal fin has a notch between its spiny and soft parts.
  • The lateral line runs all the way onto the tail, and the tail is rounded.
  • The mouth points downward.

Often confused with

  • Common Carp: barbels at the mouth and large golden scales, which the drum lacks.

Best baits and lures

  • Worms and nightcrawlers
  • Crawfish
  • Minnows
  • Cut bait
  • Small jigs

Techniques

  • Fish a bait on the bottom in deep holes and current
  • Fish below dams and along channel edges
  • Use simple bottom rigs
  • Fish at night in warm months

Fishing notes

Freshwater drum, sometimes called sheepshead, make a grunting or drumming sound by vibrating muscles against the swim bladder, which can sometimes be heard from underwater.

They feed on the bottom on insects, crawfish, and mussels, so a worm or crawfish fished on the bottom will often draw a bite. They fight well for their size.

Their fillets are mild and edible, though many anglers overlook them. Check your water's regulations, which may include limits.

Related guides

Size limits, bag limits, legal baits, and seasons vary by state and waterbody and change over time. Check your state's current regulations — our state resources directory links straight to each state's official fishing rules and license portal.

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