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Smallmouth Buffalo

Smallmouth Buffalo

The Smallmouth Buffalo (Ictiobus bubalus) is a native Texas fish species found in most large streams, rivers, and reservoirs throughout the state, excluding the Panhandle region.

Despite their name, these are not true buffalo but members of the sucker family (Catostomidae), easily distinguished from carp by their lack of barbels.

Scientific Name: Ictiobus bubalus

Physical Characteristics:
  • These deep-bodied fish have a bluish-gray to bronze coloration with a distinctive sucker-type mouth oriented downward.
  • Adults commonly reach 16-24 inches and can exceed 30 pounds, with Texas holding both rod-and-reel records of 82 pounds and trotline records of 97 pounds.

What to know

Habitat Distribution

  • Found in most large streams, rivers, and reservoirs throughout the state, excluding the Panhandle region.
  • Areas with modest current and abundant organic matter.

Key Locations

  • Notable Texas waters including Lake Fork, Lake Ray Hubbard, Trinity River system, and Richland Chambers Reservoir.
  • Look for them in large rivers like the Trinity system, major reservoirs like Lake Fork and Richland Chambers.

Specific Spots

  • Fish over silt bottoms near aquatic vegetation in 1-6 feet of water.
  • They congregate in schools in 4-10 feet of water over submerged gravel near river channels during spawning.

Smallmouth Buffalo FAQ

Answers from onWater's species guide.

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

Doughballs made with cottonseed meal, corn (particularly effective when fermented with salt, sugar, and molasses), bloodworms, peas, and various nuts including peanuts, cashews, and almonds.

What flies work for Smallmouth Buffalo in Texas?

Carp-style flies with bright colors (pink, chartreuse, orange) in stained water or natural colors (olive, brown) in clear conditions. Effective patterns include backstabbers, carp tease, carp crack patterns, carp dusters, and bonefish butters.

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

Late summer through fall and winter months, avoiding spring spawning periods (April-June). They spawn in spring when water temperatures reach 60-65°F (April to early June).

How do you catch Smallmouth Buffalo in Texas?

Bottom-fishing techniques using natural baits. For fly fishing, present flies quietly in the fish's feeding path with minimal movement - just a slight wiggle to get their attention. Pre-baiting areas with prepared corn, range cubes, and various legumes increases success.

What do Smallmouth Buffalo eat?

Smallmouth buffalo are primarily bottom feeders with an opportunistic diet including aquatic insect larvae, attached algae, crustaceans, mollusks, detritus, and zooplankton. Young fish focus on copepods and cladocerans.

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