Tadpole Madtom
Noturus gyrinus · Ictaluridae
About this fish
- Spawning
- May, June, July, August and September
- Largest length
- up to 13 cm (5 inches)
- Lifespan
- up to 4 years
- Matures at
- about 1.5 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.
125 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 40 lakes
- Big Dummy LakeBarron County111 acres · 54 ft deeprecorded 2006 (1 record)Clearstocked, recorded
- Cedar LakeSt Croix County1,107 acres · 28 ft deeprecorded 2003 to 2006 (3 records)Moderatestocked, recorded
- Lake OnalaskaLacrosse County7,688 acres · 40 ft deeprecorded 2006 (1 record)Lowrecorded
- Sherwood Lake (Deer Lodge)Adams County246 acres · 27 ft deeprecorded 2005 (1 record)Lowstocked, recorded
- Spring LakeWashburn County211 acres · 24 ft deeprecorded 2005 (1 record)Clearrecorded
- Dowling LakeDouglas County154 acres · 13 ft deeprecorded 1977 to 2004 (3 records)Lowstocked, recorded
- Halsey LakeFlorence County512 acres · 10 ft deeprecorded 2004 (1 record)Moderatestocked, recorded
- Jag LakeVilas County158 acres · 14 ft deeprecorded 2004 (1 record)Moderaterecorded
- Lake WausauMarathon County1,918 acres · 30 ft deeprecorded 2004 (1 record)Lowstocked, recorded
- Lipsett LakeBurnett County393 acres · 24 ft deeprecorded 2004 (1 record)Lowstocked, recorded
- Upper Eau Claire LakeBayfield County996 acres · 92 ft deeprecorded 2004 (1 record)Clearstocked, recorded
- Amacoy LakeRusk County278 acres · 20 ft deeprecorded 2003 (1 record)Lowstocked, recorded
- Dunn LakeWashburn County193 acres · 39 ft deeprecorded 2003 (1 record)Clearstocked, recorded
- Hopkins LakeDouglas County15 acres · 17 ft deeprecorded 2003 (1 record)Moderaterecorded
- Lake TahkodahBayfield County152 acres · 18 ft deeprecorded 2003 (1 record)Moderatestocked, recorded
- Middle McKenzie LakeBurnett County530 acres · 45 ft deeprecorded 2003 (1 record)Clearstocked, recorded
- Potato LakeWashburn County222 acres · 20 ft deeprecorded 2003 (2 records)Lowrecorded
- Spooner LakeWashburn County1,092 acres · 17 ft deeprecorded 2003 (1 record)Clearrecorded
- Upper Post LakeOneida County757 acres · 14 ft deeprecorded 2003 (1 record)stocked, recorded
- Collins LakePortage County49 acres · 30 ft deeprecorded 2000 to 2002 (2 records)Moderaterecorded
- Namekagon LakeBayfield County3,227 acres · 50 ft deeprecorded 2002 (1 record)Moderatestocked, recorded
- Lower McKenzie LakeWashburn County185 acres · 17 ft deeprecorded 2001 (1 record)Clearrecorded
- Pickle LakeBurnett County20 acres · 20 ft deeprecorded 2001 (2 records)Moderaterecorded
- Big Bass LakeMarathon County174 acres · 13 ft deeprecorded 2000 (1 record)Moderatestocked, recorded
- Tranus LakeWashburn County175 acres · 12 ft deeprecorded 2000 (2 records)Moderaterecorded
- Lake ChippewaSawyer County15,300 acres · 92 ft deeprecorded 1999 (1 record)Lowstocked, recorded
- Pleasant LakePortage County17 acres · 8 ft deeprecorded 1980 (1 record)Lowrecorded
- Totagatic FlowageSawyer County479 acres · 12 ft deeprecorded 1977 (1 record)recorded
- Lake PepinPepin County25,494 acresrecorded 1966 (1 record)recorded
- McCartney LakeGrant County924 acres · 10 ft deeprecorded 1963 (1 record)recorded
- Balsam LakePolk County2,054 acres · 37 ft deeprecorded 1928 (1 record)Clearstocked, recorded
- Lake IvanhoeWalworth County42 acres · 10 ft deeprecorded 1928 (1 record)Lowstocked, recorded
- McKenzie LakeWashburn County1,185 acres · 71 ft deeprecorded 1928 (1 record)Moderatestocked, recorded
- Pine Lake (Somerset)T31nr19ws10St Croix County89 acres · 19 ft deeprecorded 1928 (1 record)recorded
- Smith LakeSawyer County323 acres · 29 ft deeprecorded 1928 (1 record)Moderatestocked, recorded
- Lake MaryMarinette County167 acres · 20 ft deeprecorded 1926 (1 record)Moderaterecorded
- Lake NoquebayMarinette County2,409 acres · 51 ft deeprecorded 1926 (1 record)Moderatestocked, recorded
- Apple River FlowagePolk County639 acres · 18 ft deeprecorded 1925 (1 record)stocked, recorded
- Grand Lake (Millpond)Green Lake County234 acres · 8 ft deeprecorded 1925 (1 record)Moderaterecorded
- Spring LakeColumbia County24 acres · 32 ft deeprecorded 1925 (1 record)Lowstocked, recorded