Bigmouth Buffalo
Ictiobus cyprinellus · Catostomidae
About this fish
- Spawning
- April and May
- Largest length
- up to 123 cm (48 inches)
- Lifespan
- up to 15 years
- Matures at
- about 3 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.
34 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 12 lakes
- Lake MendotaDane County9,842 acres · 82 ft deeprecorded 2023 to 2025 (2 records)Lowstocked, recorded
- Beaver Dam LakeDodge County6,542 acres · 7 ft deeprecorded 1989 to 2018 (3 records)Lowstocked, recorded
- Fox LakeDodge County2,625 acres · 19 ft deeprecorded 2017 (1 record)Lowstocked, recorded
- Hidden Valley Lake 1Lafayette County26 acres · 18 ft deeprecorded 2006 (2 records)Lowrecorded
- Lake Saint CroixPierce County4,668 acres · 60 ft deeprecorded 1940 to 2006 (7 records)recorded
- Mallalieu LakeSt Croix County270 acres · 17 ft deeprecorded 2001 (1 record)Lowrecorded
- Lac La BelleWaukesha County1,164 acres · 45 ft deeprecorded 1970 to 1993 (3 records)Moderatestocked, recorded
- Delavan LakeWalworth County2,072 acres · 56 ft deeprecorded 1984 (4 records)Moderatestocked, recorded
- Lower McKenzie LakeWashburn County185 acres · 17 ft deeprecorded 1970 (1 record)Clearrecorded
- Lake KegonsaDane County3,209 acres · 31 ft deeprecorded 1946 (1 record)Lowstocked, recorded
- Lake PepinPepin County25,494 acresrecorded (1 record)recorded
- Lake WisconsinColumbia County9,000 acres · 24 ft deeprecorded (1 record)Lowstocked, recorded