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White Sucker
Catostomus commersonii
12–18 inches
Typical Length
1–3 lbs
Typical Weight
Year-round (no closed season)
Season Opens
25%
% of MN Lakes
White suckers are bottom-feeding fish found in most Minnesota lakes and streams. They make dramatic spawning runs up tributaries each spring, when they're often spotted in shallow, rocky streams.
Habitat
White suckers are highly adaptable, living in lakes, rivers, and streams of all sizes. They feed on the bottom, using their downward-facing mouth to vacuum up invertebrates, algae, and organic matter from substrate.
When to Fish
Best months: April, May
Season opens: Year-round (no closed season)
Spring spawning runs concentrate suckers in small streams where they're easy to spot. They're commonly caught on worms fished on the bottom.
Did You Know?
- White suckers are a critical forage species — walleye, pike, and muskies all feed on young suckers.
- Their spring spawning runs can involve hundreds of fish packing into small streams, creating a spectacle visible from bridges and banks.
Lakes with White Sucker near you
863 Minnesota lakes have White Sucker on record. Find the closest ones to you.
White Sucker (Catostomus commersonii) is a rough species found in Minnesota lakes and rivers. DNR surveys have documented white sucker in 863 Minnesota lakes.