3,411 Lakes · 1,176 Rivers · 72 Counties · 804 TownsWisconsin state record fish
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Wisconsin species

Brown bullhead in Wisconsin

WDNR limits, records and lakes for brown bullhead.

  • None; no minimum lenlimit
  • 4 lbs. 2 oz.record
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Photo of the species, not of a Wisconsin water: George Chernilevsky, CC BY-SA 4.0

Wisconsin fish

brown bullhead in Wisconsin, the overview

Brown bullhead (Ameiurus nebulosus) sits in the Bullhead Catfishes (Ictaluridae) family on the WDNR fish list and counts as game fish under Wisconsin rules. The first WDNR row, general inland waters, allows None; no minimum length with a season of Open all year.

A 4 lbs. 2 oz. fish from Little Green Lake (2006) heads the hook and line list.

None; no minimum lengthfirst limit row
4 lbs. 2 oz.top record
4regulation rows
1waters with pages
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Limits

Wisconsin seasons and limits for brown bullhead

WhereLimitSeason
General inland watersNone; no minimum lengthOpen all year
Tributaries to Lake Michigan and major Green Bay tributariesNone; except 600 suckers; no minimum lengthOpen all year
All other tributaries to Green Bay upstream to the first dam or lakeNone; except 600 suckers; no minimum lengthMay 2, 2026 – March 7, 2027
Winnebago System watersNone; no minimum lengthOpen all year

2026-2027 Guide to Wisconsin Hook and Line Fishing Regulations (WDNR). Checked October 2026.

All Wisconsin regulations

Records

brown bullhead records by category

CategoryWeight or lengthWaterCountyYear
hook and line4 lbs. 2 oz.Little Green LakeGreen Lake2006
alternate method1 lb. 13.6 oz.Green BayDoor2025

WDNR record fish list, revised September 2026; angler names left out.

Where to look

Where brown bullhead turn up in Wisconsin

Largest lakes with brown bullhead

  • Little Green Lake462 acres

WDNR Find a Lake fish lists and fisheries designation layers; largest waters first.

Related fish

More Wisconsin fish grouped with brown bullhead

Photographs

Wisconsin water near Brown bullhead, photographed

Fort Atkinson, Wisconsin
Fort Atkinson
Photo: Scott Catron, CC BY-SA 3.0
Beaver Lake, Waukesha County, Wisconsin
Beaver Lake, Waukesha County
Photo: BobbbyLight, CC BY 2.0
Golden Lake, Waukesha County, Wisconsin
Golden Lake, Waukesha County
Photo: Awkwafaba, CC BY-SA 3.0
Henrietta Lake, Wisconsin
Henrietta Lake
Photo: Awkwafaba, CC BY-SA 4.0
Answers

Quick facts people look up on brown bullhead

What daily limit applies to brown bullhead here?

None; no minimum length on general inland waters; season Open all year. Other waters have their own rows.

Does the WDNR list a record brown bullhead?

4 lbs. 2 oz. from Little Green Lake in 2006 (hook and line).

Which Wisconsin lakes hold brown bullhead?

1 water here, starting with Little Green Lake.

Are brown bullhead stocked in Wisconsin?

No stocking is listed for it.

How does the WDNR classify brown bullhead?

Ameiurus nebulosus, Bullhead Catfishes (Ictaluridae); game fish.

Which months can I keep brown bullhead?

Open all year on general inland waters.

Do visitors need a license for brown bullhead?

Anglers 16 and older need a Wisconsin fishing license: $20 a year for residents and $55 for nonresidents, with a $5 first-time buyer rate for residents.

Do outfitters list brown bullhead?

None of the listed guides name it.

Plan a Wisconsin trip for brown bullhead

Choose a water above, then check its rule table.