Smallmouth Buffalo

Smallmouth Buffalo are native Kansas fish in the Catostomidae family, often mistaken for carp but distinguished by their lack of barbels.
These stocky, hardy fish are one of the longest-lived freshwater fish, capable of living over a century with some Arizona populations reaching 90-100 years old.
Scientific Name: Ictiobus bubalus
- These stocky, hardy fish typically reach 16-24 inches and 20-50 pounds, though Kansas produced a record-breaking 64.75-pound specimen from Clinton Reservoir in 2023.
- Distinguished by their lack of barbels.
Fishing in Kansas
What to know
Habitat Distribution
- They prefer clear to moderate waters with dense aquatic vegetation and silty bottoms, thriving in Kansas reservoirs, lakes, and larger rivers.
- Found throughout Kansas waters including the Missouri River system.
Key Locations
- Clinton Reservoir (where the state record was caught), various community lakes, Missouri River system, and larger river systems.
- Populations documented in various reservoirs and lakes statewide.
Specific Spots
- They tend to move to shallower areas in spring/summer and deeper water in fall/winter, often feeding in groups in less than a foot of water during midday heat.
Smallmouth Buffalo FAQ
Answers from onWater's species guide.
What flies work for Smallmouth Buffalo in Kansas?
In clear water, match the bottom with olive/brown flies, while muddy or stained water calls for bright colors like pink, orange, or chartreuse.
When is the best time to fish for Smallmouth Buffalo in Kansas?
Target during non-spawning periods, particularly late summer through fall. During spawning periods (typically April through early June), avoid targeting these fish to allow successful reproduction.
How do you catch Smallmouth Buffalo in Kansas?
Sight fishing in shallow water during midday. For fly fishing, present flies quietly in the fish's feeding path, allowing them to see it in their sightline, then give just a slight wiggle to attract attention. For conventional tackle, bottom fishing techniques work well, as do drift fishing and still fishing methods.
What do Smallmouth Buffalo eat?
Their diet consists primarily of detritus, zooplankton, insect larvae, mollusk larvae, small crustaceans, algae, and various invertebrates, making them opportunistic bottom feeders.
Where do Smallmouth Buffalo live in Kansas?
They prefer clear to moderate waters with dense aquatic vegetation and silty bottoms, thriving in Kansas reservoirs, lakes, and larger rivers. Found throughout Kansas waters including the Missouri River system.
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