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Smallmouth Buffalo

Smallmouth Buffalo

The Smallmouth Buffalo (Ictiobus bubalus) is a deep-bodied native sucker species found throughout Alabama's river systems. These robust fish reach 24-35 inches in length and can live up to 8 years, with some specimens exceeding 70 pounds.

Scientific Name: Ictiobus bubalus

Physical Characteristics:
  • Deep-bodied robust fish that reach 24-35 inches in length, with some specimens exceeding 70 pounds.
  • Distinguished from carp by their lack of barbels, small horizontal mouth with grooved upper lip, and beige to slate gray coloration that darkens during spawning season.

What to know

Habitat Distribution

  • Widespread and abundant in the Mobile basin (primarily below the Fall Line) and the Tennessee River drainage, where they were collected at 34 stations from 1991-1993.
  • The species is particularly abundant along riverbanks and in open waters of reservoirs.

Key Locations

  • The Tennessee River system, Mobile basin waters, areas below dams like Lake Tuscaloosa Dam on the North River, Wheeler Reservoir.

Specific Spots

  • Larger pools and depressions in rivers with low but steady current flow, especially around abundant aquatic vegetation and gravel-rock bottom areas.
  • Riverine habitats with abundant aquatic vegetation or gravel-rock bottoms where they can forage.
  • Calm eddies along riverbanks where current flow is reduced.

Smallmouth Buffalo FAQ

Answers from onWater's species guide.

What are the best lures and bait for Smallmouth Buffalo in Alabama?

Nightcrawlers on small J-hooks with Carolina rigs drifted over riffles, or livestock feed pellets (creep pellets) secured with brightly colored rubber bands on small, well-concealed hooks.

What flies work for Smallmouth Buffalo in Alabama?

Carp-specific patterns - use bright colors (pink, chartreuse, orange) in stained water and natural olive/brown patterns in clear conditions.

When is the best time to fish for Smallmouth Buffalo in Alabama?

Target from late spring through fall after spawning concludes, typically May through October in Alabama waters. Spawning occurs in early to middle spring when water temperatures reach 59-62°F (April-May). During spawning period, avoid targeting them as they migrate upstream to spawn.

How do you catch Smallmouth Buffalo in Alabama?

Use bottom-fishing techniques since they're primarily bottom feeders. Carolina rigs drifted over riffles. For fly fishing, present flies quietly in their feeding path with minimal movement, just enough wiggle for them to spot it.

What do Smallmouth Buffalo eat?

Primarily bottom feeders with a diet consisting of bivalve mollusks (especially Corbicula), copepods, aquatic diptera, insect larvae, algae, and detritus. Young fish under one year consume copepods, cladocerans, algae, duckweed, protozoans, rotifers, insect larvae, and insect e.g.gs.

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