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White Sucker

White Sucker

The White Sucker is a highly adaptable freshwater fish found throughout Missouri's rivers and streams, though it's absent from the Bootheel lowlands and southeastern Ozarks according to the Missouri Department of Conservation.

Scientific Name: Catostomus commersonii

Physical Characteristics:
  • Bottom-dwelling fish characterized by their torpedo-shaped bodies with olive-brown to black coloration on the back and white undersides, distinctive fleshy sucker-like mouths, and can reach lengths of 12-20 inches and weights of 2-6 pounds.

What to know

Habitat Distribution

  • Found throughout Missouri's rivers and streams, though absent from the Bootheel lowlands and southeastern Ozarks.
  • Prefer cool, clear streams with rocky or gravel bottoms but are tolerant of turbid and polluted waters.

Key Locations

  • Northern Missouri streams and the Missouri River system, where they've been documented from the headwater mainstem through channelized sections.
  • Particularly common in northern Missouri streams.

Specific Spots

  • Focus on shallow riffles, tailouts, and areas with gravel substrates during spawning period.
  • Prime locations include tributary mouths, areas below waterfalls and dams, and overflows where suckers congregate during upstream migrations.
  • Look for nervous water or backs of fish visible in shallow areas as indicators of feeding activity.

White Sucker FAQ

Answers from onWater's species guide.

What are the best lures and bait for White Sucker in Missouri?

Garden worms are highly effective as they're easily consumed by the suckers' bottom-feeding mouths. 'Pack bait' - a dough made from softened grains molded around a sinker. Marshmallows and semolina balls are also effective baits.

What flies work for White Sucker in Missouri?

Fast-sinking flies to reach the bottom quickly, with larger flies in muddy water and smaller patterns in clear conditions.

When is the best time to fish for White Sucker in Missouri?

Early spring fishing (March-May) provides the best opportunities when these fish are most active and concentrated. Spawning season from April through early May when water temperatures reach 50°F.

How do you catch White Sucker in Missouri?

Patient bottom fishing techniques typically produce the best results since these fish feed by slowly sucking up material from the stream bottom. 'Pack bait' - a dough made from softened grains molded around a sinker (similar to carp fishing methods) - attracts feeding suckers to the area.

What do White Sucker eat?

Omnivorous bottom feeders that consume aquatic insect larvae (particularly chironomids and mayflies), small invertebrates, clams, snails, fish e.g.gs, algae, detritus, and plant matter.

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