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Smallmouth Buffalo

Smallmouth Buffalo

The Smallmouth Buffalo (Ictiobus bubalus) is a native North American fish species found in New Mexico waters, particularly in the Rio Grande drainage system extending to Texas and New Mexico.

This deep-bodied sucker species can reach lengths up to 78 cm (about 31 inches).

Scientific Name: Ictiobus bubalus

Physical Characteristics:
  • Deep-bodied sucker species can reach lengths up to 78 cm (about 31 inches) and is distinguished by its bronze or slate olive back, bronze sides, and small ventral horizontal mouth with 180-190 small teeth per arch.

What to know

Habitat Distribution

  • Rio Grande drainage system extending to Texas and New Mexico.
  • Present in major reservoirs.

Key Locations

  • Elephant Butte Lake and Caballo Lake.

Specific Spots

  • Prefer deeper waters with moderate to fast-moving currents and fine substrates, often inhabiting pools, backwaters, and main channels of larger rivers and warm lakes.
  • Target deeper sections of rivers, reservoir channels, areas with fine substrates, and locations near boulders or submerged structures.
  • In New Mexico's major reservoirs like Elephant Butte and Caballo Lakes, focus on deeper waters and drop-offs.

Smallmouth Buffalo FAQ

Answers from onWater's species guide.

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

Nightcrawlers, cut bait, corn, and dough balls. Some anglers report success with spicy baits like chili peppers or baits dipped in hot sauce.

What flies work for Smallmouth Buffalo in New Mexico?

Small marabou jigs, woolly buggers, and nymph patterns that imitate their preferred food sources of aquatic insects and small crustaceans.

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

Most productive during non-spawning periods, avoiding April through early June when they're focused on reproduction.

How do you catch Smallmouth Buffalo in New Mexico?

Still fishing, drift fishing, and bait casting techniques using natural baits positioned on or near the bottom. Bottom-bouncing patterns for fly fishing. Careful attention to bite detection as they often nibble before fully taking the bait - watch for subtle movements and be ready to set the hook with proper timing.

What do Smallmouth Buffalo eat?

Opportunistic bottom feeders with diets varying by location and season - juveniles consume copepods, cladocerans, algae, duckweed, protozoans, rotifers, and insect larvae, while mature fish feed on whatever organisms are most abundant including bivalve mollusks, aquatic insects, and various invertebrates.

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