Brown Bullhead
Ameiurus nebulosus · Ictaluridae
About this fish
- Spawning
- April and May
- Largest length
- up to 55 cm (22 inches)
- Lifespan
- up to 11 years
- Matures at
- about 2.5 years old
Values come from a national database of the United States, not Wisconsin surveys: maximum length is the species' largest recorded anywhere, and spawning months are range-wide (Wisconsin timing, in a colder climate, can be later).
USGS FishTraits 14.3 (CC0). Credit: Frimpong and Angermeier, U.S. Geological Survey.
500 open records of this fish in Wisconsin were used here.
Lakes where it has been recorded
From open fish survey and museum records. A record shows the fish was found near the lake in that year, not that it is there now.
Showing 12 of 181 lakes
- Beaver Dam LakeDodge County6,542 acres · 7 ft deeprecorded 1967 to 2017 (2 records)Lowstocked, recorded
- Long LakeColumbia County69 acres · 20 ft deeprecorded 2008 (1 record)Lowrecorded
- Fox LakeDodge County2,625 acres · 19 ft deeprecorded 2000 to 2007 (5 records)Lowstocked, recorded
- Lake WaubesaDane County2,080 acres · 34 ft deeprecorded 1979 to 2007 (4 records)Lowstocked, recorded
- Lower Red LakeShawano County28 acresrecorded 1977 to 2007 (6 records)Clearstocked, recorded
- Nelson Lake (Totagatic Flow)Sawyer County2,503 acres · 33 ft deeprecorded 1976 to 2007 (10 records)Moderatestocked, recorded
- Pigeon LakeWaupaca County163 acres · 10 ft deeprecorded 2007 (2 records)Lowstocked, recorded
- Silver Lake (Paradise Valley)Washington County118 acres · 47 ft deeprecorded 2007 (1 record)Clearstocked, recorded
- Alpine LakeWaushara County56 acres · 18 ft deeprecorded 2006 (1 record)Moderatestocked, recorded
- Casey LakeWashburn County247 acres · 27 ft deeprecorded 1970 to 2006 (2 records)recorded
- Chequamegon Waters FlowageTaylor County2,714 acres · 22 ft deeprecorded 1998 to 2006 (2 records)Lowstocked, recorded
- Geneva LakeWalworth County5,262 acres · 135 ft deeprecorded 2002 to 2006 (2 records)Clearstocked, recorded
- Indian School LakeSawyer County46 acres · 6 ft deeprecorded 1980 to 2006 (3 records)Moderaterecorded
- Lake EmilyDodge County268 acres · 14 ft deeprecorded 1927 to 2006 (7 records)Lowstocked, recorded
- Lake KegonsaDane County3,209 acres · 31 ft deeprecorded 2006 (1 record)Lowstocked, recorded
- Little LakeBarron County7.0 acres · 7 ft deeprecorded 2006 (1 record)Clearrecorded
- Lost LakeDodge County245 acres · 8 ft deeprecorded 2001 to 2006 (3 records)Lowstocked, recorded
- Silver LakeWaushara County344 acres · 45 ft deeprecorded 2006 (1 record)Clearstocked, recorded
- Cranberry LakePrice County512 acres · 18 ft deeprecorded 1974 to 2005 (4 records)Lowstocked, recorded
- Delavan LakeWalworth County2,072 acres · 56 ft deeprecorded 1984 to 2005 (3 records)Moderatestocked, recorded
- Fish LakeWaushara County153 acres · 37 ft deeprecorded 2004 to 2005 (2 records)Clearstocked, recorded
- Hilbert LakeForest County289 acres · 32 ft deeprecorded 2005 (1 record)stocked, recorded
- Johnson Falls Flowage 647Marinette County158 acres · 37 ft deeprecorded 2005 (1 record)stocked, recorded
- Kolpack LakeShawano County22 acres · 19 ft deeprecorded 2005 (1 record)Clearstocked, recorded
- Lake MendotaDane County9,842 acres · 82 ft deeprecorded 1968 to 2005 (6 records)Lowstocked, recorded
- Marion MillpondWaupaca County108 acres · 12 ft deeprecorded 2004 to 2005 (2 records)Moderatestocked, recorded
- Moon LakeBarron County84 acres · 5 ft deeprecorded 1988 to 2005 (2 records)Moderatestocked, recorded
- Osprey LakeSawyer County208 acres · 32 ft deeprecorded 1990 to 2005 (2 records)Clearstocked, recorded
- Petty LakeSawyer County15 acres · 7 ft deeprecorded 2005 (1 record)Moderaterecorded
- Pine LakeIron County312 acres · 41 ft deeprecorded 2002 to 2005 (2 records)Moderaterecorded
- Cedar LakeSt Croix County1,107 acres · 28 ft deeprecorded 2004 (1 record)Moderatestocked, recorded
- Fish LakeBurnett County356 acres · 29 ft deeprecorded 2004 (1 record)Clearstocked, recorded
- Gilbert LakeWaushara County141 acres · 65 ft deeprecorded 2001 to 2004 (2 records)Clearstocked, recorded
- Lipsett LakeBurnett County393 acres · 24 ft deeprecorded 2004 (1 record)Lowstocked, recorded
- Lost LakeChippewa County3.0 acres · 34 ft deeprecorded 1997 to 2004 (2 records)recorded
- Lower Eau Claire LakeBayfield County802 acres · 41 ft deeprecorded 1983 to 2004 (2 records)Clearstocked, recorded
- Marsh-Miller Lake (Mill Pond)Chippewa County436 acres · 14 ft deeprecorded 2004 (1 record)Lowrecorded
- Pearl LakeWaushara County92 acres · 50 ft deeprecorded 2004 (1 record)Clearstocked, recorded
- Perch LakeSt Croix County43 acres · 63 ft deeprecorded 2004 (1 record)Clearstocked, recorded
- Potter LakeWalworth County162 acres · 26 ft deeprecorded 1999 to 2004 (2 records)Lowstocked, recorded
- Round LakeChippewa County216 acres · 18 ft deeprecorded 2004 (2 records)Moderatestocked, recorded
- Circle Lily LakeVilas County223 acres · 35 ft deeprecorded 2003 (1 record)Moderatestocked, recorded
- Dunn LakeWashburn County193 acres · 39 ft deeprecorded 1978 to 2003 (2 records)Clearstocked, recorded
- Potato LakeWashburn County222 acres · 20 ft deeprecorded 2003 (3 records)Lowrecorded
- Spooner LakeWashburn County1,092 acres · 17 ft deeprecorded 1928 to 2003 (4 records)Clearrecorded
- St Croix FlowageDouglas County1,913 acres · 28 ft deeprecorded 2003 (1 record)Clearstocked, recorded
- Little Spider LakeVilas County235 acres · 23 ft deeprecorded 2002 (1 record)Clearstocked, recorded
- Neshonoc LakeLacrosse County737 acres · 11 ft deeprecorded 2002 (1 record)Lowstocked, recorded
- Swan LakeColumbia County406 acres · 82 ft deeprecorded 2002 (1 record)Moderatestocked, recorded
- White LakeWaupaca County1,026 acres · 11 ft deeprecorded 2002 (6 records)Moderatestocked, recorded
- Fireside LakesWisconsin211 acresrecorded 2001 (1 record)stocked, recorded
- North Bass LakeIron County194 acres · 11 ft deeprecorded 2001 (2 records)Moderatestocked, recorded
- Pretty LakeWaukesha County64 acres · 35 ft deeprecorded 2001 (1 record)Clearstocked, recorded
- Sheboygan LakeSheboygan County674 acres · 4 ft deeprecorded 2000 (1 record)Moderatestocked, recorded
- Tranus LakeWashburn County175 acres · 12 ft deeprecorded 2000 (1 record)Moderaterecorded
- Lake ChippewaSawyer County15,300 acres · 92 ft deeprecorded 1971 to 1999 (7 records)Lowstocked, recorded
- Pewaukee LakeWaukesha County2,493 acres · 45 ft deeprecorded 1999 (1 record)Moderatestocked, recorded
- Kettle Moraine LakeFond du Lac County227 acres · 30 ft deeprecorded 1960 to 1998 (3 records)Clearstocked, recorded
- Little Saint Germain LakeVilas County980 acres · 53 ft deeprecorded 1997 (1 record)Clearstocked, recorded
- Crooked LakeOconto County143 acres · 37 ft deeprecorded 1993 (1 record)Moderatestocked, recorded
- Lac La BelleWaukesha County1,164 acres · 45 ft deeprecorded 1985 to 1993 (5 records)Moderatestocked, recorded
- Duroy LakePrice County379 acres · 18 ft deeprecorded 1992 (1 record)Lowstocked, recorded
- Slim Creek FlowageWashburn County101 acres · 27 ft deeprecorded 1992 (1 record)recorded
- Elkhart LakeSheboygan County286 acres · 119 ft deeprecorded 1991 (1 record)Clearstocked, recorded
- Lake ElevenTaylor County8.0 acres · 35 ft deeprecorded 1991 (1 record)Lowrecorded
- Leader LakeDouglas County160 acres · 56 ft deeprecorded 1991 (1 record)Clearrecorded
- Halsey LakeFlorence County512 acres · 10 ft deeprecorded 1990 (3 records)Moderatestocked, recorded
- Tarbert LakePolk County42 acres · 20 ft deeprecorded 1975 to 1990 (2 records)Lowstocked, recorded
- Bean LakeWashburn County100 acres · 35 ft deeprecorded 1978 to 1989 (2 records)Moderatestocked, recorded
- Clear LakeRock County82 acres · 20 ft deeprecorded 1989 (1 record)Lowstocked, recorded
- Drummond LakeBayfield County99 acres · 49 ft deeprecorded 1989 (1 record)Clearstocked, recorded
- Totagatic FlowageSawyer County479 acres · 12 ft deeprecorded 1972 to 1988 (3 records)recorded
- Twin Falls FlowageFlorence County928 acres · 50 ft deeprecorded 1988 (1 record)Moderaterecorded
- Emily LakeFlorence County191 acres · 43 ft deeprecorded 1986 (1 record)Clearstocked, recorded
- Turtle Flambeau FlowageIron County13,545 acres · 50 ft deeprecorded 1986 (1 record)Moderatestocked, recorded
- Beckman LakeGreen County69 acres · 12 ft deeprecorded 1981 to 1985 (2 records)Lowstocked, recorded
- Chain LakeOconto County81 acres · 50 ft deeprecorded 1985 (1 record)Clearstocked, recorded
- Lake LorraineWalworth County133 acres · 8 ft deeprecorded 1978 to 1985 (2 records)Lowstocked, recorded
- Ike LakeSawyer County20 acres · 5 ft deeprecorded 1984 (1 record)Lowrecorded
- Lilly LakeKenosha County87 acres · 22 ft deeprecorded 1984 (1 record)Clearstocked, recorded
- Staples LakePolk County305 acres · 17 ft deeprecorded 1979 to 1984 (3 records)stocked, recorded
- Duck LakeBarron County100 acres · 26 ft deeprecorded 1970 to 1983 (3 records)Moderaterecorded
- Lake ChetekBarron County770 acres · 22 ft deeprecorded 1969 to 1983 (2 records)Lowstocked, recorded
- Lake EllenSheboygan County121 acres · 42 ft deeprecorded 1983 (1 record)Clearstocked, recorded
- Spirit LakeBurnett County593 acres · 27 ft deeprecorded 1983 (1 record)Moderaterecorded
- Ripley LakeWashburn County190 acres · 27 ft deeprecorded 1978 to 1982 (2 records)Clearstocked, recorded
- Deer LakePrice County145 acres · 18 ft deeprecorded 1981 (1 record)Moderatestocked, recorded
- Red LakeDouglas County258 acres · 37 ft deeprecorded 1978 to 1981 (4 records)Moderatestocked, recorded
- Spirit LakeTaylor County126 acres · 9 ft deeprecorded 1974 to 1981 (3 records)Lowstocked, recorded
- Stone LakePrice County79 acres · 16 ft deeprecorded 1981 (1 record)Lowstocked, recorded
- Upper Holly LakeSawyer County33 acres · 14 ft deeprecorded 1981 (1 record)Moderaterecorded
- Wilson FlowagePrice County269 acres · 6 ft deeprecorded 1981 (1 record)Moderaterecorded
- Wilson LakePrice County351 acres · 11 ft deeprecorded 1981 (1 record)Lowstocked, recorded
- Lazy Lake (Fall R Millpond)Columbia County161 acres · 8 ft deeprecorded 1975 to 1980 (2 records)Moderatestocked, recorded
- Little Sand LakeBarron County101 acres · 36 ft deeprecorded 1979 (2 records)Moderatestocked, recorded
- Minnow LakeBurnett County57 acres · 50 ft deeprecorded 1979 (1 record)Clearrecorded
- Pokegama LakeBurnett County160 acres · 28 ft deeprecorded 1979 (1 record)Moderaterecorded
- Rice LakeWashburn County132 acres · 11 ft deeprecorded 1970 to 1979 (2 records)Moderaterecorded
- Round LakeBurnett County204 acres · 27 ft deeprecorded 1967 to 1979 (2 records)Moderatestocked, recorded
- Spring LakeBarron County60 acres · 67 ft deeprecorded 1979 (1 record)Moderatestocked, recorded
- Viola LakeBurnett County285 acres · 34 ft deeprecorded 1979 (1 record)Clearrecorded
- Anderson LakeOconto County182 acres · 40 ft deeprecorded 1978 (1 record)Moderatestocked, recorded
- Ashippun LakeWaukesha County84 acres · 40 ft deeprecorded 1978 (1 record)Clearstocked, recorded
- Ellsworth LakeWashburn County174 acres · 6 ft deeprecorded 1978 (1 record)Moderaterecorded
- Fenton LakeBurnett County17 acres · 8 ft deeprecorded 1978 (1 record)recorded
- Horseshoe LakePolk County377 acres · 57 ft deeprecorded 1978 (1 record)Clearrecorded
- Knuteson LakeSawyer County70 acres · 17 ft deeprecorded 1978 (1 record)Lowrecorded
- Little Butternut LakePolk County189 acres · 23 ft deeprecorded 1945 to 1978 (2 records)Moderaterecorded
- Lower McKenzie LakeWashburn County185 acres · 17 ft deeprecorded 1970 to 1978 (2 records)Clearrecorded
- Lower Turtle LakeBarron County276 acres · 24 ft deeprecorded 1978 (1 record)Lowstocked, recorded
- Magnor LakePolk County231 acres · 26 ft deeprecorded 1978 (1 record)Lowstocked, recorded
- Silver LakeWashburn County188 acres · 28 ft deeprecorded 1978 (1 record)Clearstocked, recorded
- Warner LakeBurnett County176 acres · 75 ft deeprecorded 1978 (1 record)Clearrecorded
- Windigo LakeSawyer County522 acres · 51 ft deeprecorded 1944 to 1978 (5 records)Clearstocked, recorded
- Big Quinnesec Falls FlowageMarinette County127 acres · 45 ft deeprecorded 1977 (1 record)recorded
- Chicog LakeWashburn County125 acres · 25 ft deeprecorded 1970 to 1977 (2 records)Moderaterecorded
- Lincoln LakeWashburn County101 acres · 27 ft deeprecorded 1977 (1 record)Lowrecorded
- Loon LakeBurnett County89 acres · 10 ft deeprecorded 1977 (1 record)Lowrecorded
- McGraw LakeDouglas County135 acres · 25 ft deeprecorded 1977 (1 record)recorded
- Shell LakeWashburn County2,580 acres · 36 ft deeprecorded 1977 (3 records)Clearstocked, recorded
- Warner LakeWashburn County21 acres · 22 ft deeprecorded 1977 (1 record)Clearrecorded
- Wilcox LakeWashburn County23 acres · 7 ft deeprecorded 1977 (1 record)Lowrecorded
- Dugan LakeWashburn County53 acres · 35 ft deeprecorded 1976 (1 record)Clearrecorded
- Little Largon LakePolk County19 acres · 29 ft deeprecorded 1976 (1 record)Lowstocked, recorded
- Musser FlowagePrice County563 acres · 15 ft deeprecorded 1976 (1 record)Clearstocked, recorded
- Namekagon LakeBayfield County3,227 acres · 50 ft deeprecorded 1976 (1 record)Moderatestocked, recorded
- Ripley LakeWashburn County42 acres · 25 ft deeprecorded 1976 (1 record)Moderaterecorded
- Taylor LakeBurnett County80 acres · 10 ft deeprecorded 1976 (1 record)Moderaterecorded
- Twin LakesDouglas County66 acres · 5 ft deeprecorded 1976 (1 record)recorded
- Antler LakePolk County101 acres · 22 ft deeprecorded 1975 (1 record)Clearstocked, recorded
- Derosier LakeWashburn County109 acres · 11 ft deeprecorded 1975 (1 record)Moderatestocked, recorded
- Spring LakeWashburn County54 acres · 8 ft deeprecorded 1975 (1 record)Lowrecorded
- Sunfish LakeWashburn County68 acres · 33 ft deeprecorded 1975 (1 record)Clearrecorded
- Green LakeWashburn County29 acres · 30 ft deeprecorded 1974 (1 record)Clearrecorded
- Lake GeorgeColumbia County36 acres · 22 ft deeprecorded 1974 (1 record)Moderaterecorded
- Rice LakeBarron County939 acres · 19 ft deeprecorded 1974 (2 records)Lowstocked, recorded
- Upper Turtle LakeBarron County438 acres · 25 ft deeprecorded 1974 (1 record)Lowstocked, recorded
- Lower Nemahbin LakeWaukesha County271 acres · 36 ft deeprecorded 1973 (1 record)Clearstocked, recorded
- South Harper LakeTaylor County80 acres · 32 ft deeprecorded 1973 (1 record)Moderatestocked, recorded
- Clam Falls FlowagePolk County127 acres · 14 ft deeprecorded 1972 (1 record)Clearrecorded
- Crooked LakeBurnett County254 acres · 13 ft deeprecorded 1972 (2 records)Clearstocked, recorded
- Day LakeAshland County625 acres · 20 ft deeprecorded 1972 (1 record)Moderatestocked, recorded
- Sackett LakeTaylor County63 acres · 32 ft deeprecorded 1972 (2 records)Lowstocked, recorded
- Sylvan LakeBarron County67 acres · 37 ft deeprecorded 1972 (1 record)Lowrecorded
- Beaver LakeWashburn County89 acres · 16 ft deeprecorded 1971 (1 record)Clearrecorded
- Mondeaux FlowageTaylor County416 acres · 10 ft deeprecorded 1971 (3 records)Lowstocked, recorded
- Cyclone LakeWashburn County91 acres · 18 ft deeprecorded 1970 (1 record)Moderaterecorded
- Devils LakeBurnett County1,001 acres · 24 ft deeprecorded 1970 (1 record)Clearstocked, recorded
- Dutchman LakeWaukesha County31 acres · 43 ft deeprecorded 1962 to 1970 (2 records)Lowrecorded
- Horseshoe LakeBarron County115 acres · 19 ft deeprecorded 1970 (1 record)Clearstocked, recorded
- Rice LakeBurnett County326 acres · 10 ft deeprecorded 1970 (1 record)Moderatestocked, recorded
- Long LakeTaylor County20 acres · 21 ft deeprecorded 1969 (2 records)recorded
- Long LakePolk County272 acres · 17 ft deeprecorded 1969 (2 records)Moderatestocked, recorded
- Middle McKenzie LakeBurnett County530 acres · 45 ft deeprecorded 1968 (1 record)Clearstocked, recorded
- Big Bear LakeBurnett County189 acres · 17 ft deeprecorded 1967 (4 records)Clearrecorded
- East LakeTaylor County5.0 acres · 21 ft deeprecorded 1967 (1 record)Moderaterecorded
- Kirby LakeBarron County92 acres · 19 ft deeprecorded 1967 (2 records)Moderatestocked, recorded
- Lake NoquebayMarinette County2,409 acres · 51 ft deeprecorded 1926 to 1967 (2 records)Moderatestocked, recorded
- Mud LakePolk County11 acres · 15 ft deeprecorded 1967 (2 records)Lowrecorded
- Pell LakeWalworth County86 acres · 13 ft deeprecorded 1967 (1 record)Moderatestocked, recorded
- Pipe LakePolk County345 acres · 68 ft deeprecorded 1967 (2 records)Clearstocked, recorded
- Silverthorn LakeSawyer County18 acres · 17 ft deeprecorded 1967 (1 record)Moderatestocked, recorded
- Peters LakeWalworth County64 acres · 8 ft deeprecorded 1966 (1 record)Moderaterecorded
- Pollywog LakeWashburn County26 acres · 15 ft deeprecorded 1966 (1 record)Clearrecorded
- Bernice LakeFond du Lac County35 acres · 11 ft deeprecorded 1955 to 1960 (2 records)Moderaterecorded
- Lake SharonMarquette County58 acres · 30 ft deeprecorded 1956 to 1960 (2 records)Moderaterecorded
- Lake MichiganWisconsin0.4 acresrecorded 1957 (1 record)stocked, recorded
- North LakeWalworth County191 acres · 11 ft deeprecorded 1954 (1 record)Lowstocked, recorded
- Lake WandawegaWalworth County119 acres · 8 ft deeprecorded 1951 (1 record)Moderatestocked, recorded
- Lake PepinPepin County25,494 acresrecorded 1917 to 1946 (2 records)recorded
- Bone LakePolk County1,781 acres · 43 ft deeprecorded 1945 (1 record)Lowstocked, recorded
- Lotus LakePolk County246 acres · 15 ft deeprecorded 1945 (1 record)Lowstocked, recorded
- Salisbury LakeChippewa County76 acres · 10 ft deeprecorded 1944 (1 record)Lowrecorded
- Bass LakePolk County78 acres · 26 ft deeprecorded 1928 (1 record)Lowrecorded
- Lake IvanhoeWalworth County42 acres · 10 ft deeprecorded 1928 (1 record)Lowstocked, recorded
- Potato LakeRusk County534 acres · 40 ft deeprecorded 1928 (1 record)Moderatestocked, recorded
- Smith LakeSawyer County323 acres · 29 ft deeprecorded 1928 (1 record)Moderatestocked, recorded
- Grand Lake (Millpond)Green Lake County234 acres · 8 ft deeprecorded 1925 (1 record)Moderaterecorded
- Little Green LakeGreen Lake County466 acres · 28 ft deeprecorded 1925 (1 record)Lowstocked, recorded
- Mason LakeAdams County855 acres · 9 ft deeprecorded 1925 (1 record)Lowstocked, recorded
- Mud LakeDoor County155 acres · 5 ft deeprecorded (1 record)Lowrecorded