🐟 What fish can you catch in Potosi?

Most commonly caught species around Potosi , WI : Largemouth bass - 1,858 reported catches Smallmouth bass - 702 reported catches Northern pike - 550 reported catches Bluegill - 364 reported catches Channel catfish - 301 reported catches .

📢 What are the latest Potosi fishing reports?

The latest Potosi , WI fishing reports are: @remilawrence reported a nice Hybrid striped bass at Mississippi River (WI) . @brantleysmith3215 reported a nice Largemouth bass at Mississippi River (WI) . @loganparsons7656 reported a nice Smallmouth bass at Mississippi River (WI) . @wconlon2613 reported a nice Northern pike at Dubuque Harbor . @GetYouSumm reported a nice Smallmouth bass at Mineral Point Branch . .

Fishing in Potosi, WI

Q: 🎣 Where to fish in Potosi, Wisconsin?

Anglers in Potosi , WI recommend these top fishing spots: Mississippi River (WI) , Mississippi River (IL) , O'Leary's Lake , Heritage Pond , Little Maquoketa River .

Q: 📅 What is the best time to go fishing in Potosi?

Download the Fishbrain app and see today's Fishing and Weather Forecast for Potosi , WI . We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro , you will get the following capabilities: Plan smarter: Get hour-by-hour fishing weather conditions. Fish at peak times: Use BiteTime™ predictions to maximize catches. Stay ahead of the weather: Get hyper-local, real-time updates. .

Q: What's the biggest Smallmouth bass caught in Potosi?

The biggest Smallmouth bass (by length) reported in Potosi , WI was a 2 ft / 3.6 lbs caught by Fishbrain user @nogorogo at River Side Park on June 5, 2020 .

Q: What's the biggest Northern pike caught in Potosi?

The biggest Northern pike (by length) reported in Potosi , WI was a 4 ft / 12 lbs caught by Fishbrain user @khalilparris at Mississippi River (WI) on March 19, 2026 .

Wisconsin, United States

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Top fish species in Potosi

Latest Potosi fishing reports

Hybrid striped bass

Mississippi River (WI)

25 in · 7 lb

Largemouth bass

Mississippi River (WI)

length · weight

Smallmouth bass

Mississippi River (WI)

18 in · 4 lb

Northern pike

Dubuque Harbor

length · weight

Smallmouth bass

Mineral Point Branch

length · weight

Smallmouth bass

Mineral Point Branch

length · weight

Smallmouth bass

Mineral Point Branch

length · weight

Smallmouth bass

Mineral Point Branch

length · weight

Smallmouth bass

Mineral Point Branch

length · weight

Bluegill

Mississippi River (WI)

length · weight

More catches in the app...

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Fishing regulations in Potosi

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.

No regulations for this area yet

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Regulations for

42°41′15.4″N 90°42′37.8″W

Regulations in the map

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FAQ about Potosi fishing

Anglers in Potosi, WI recommend these top fishing spots: Mississippi River (WI), Mississippi River (IL), O'Leary's Lake, Heritage Pond, and Little Maquoketa River.

Most commonly caught species around Potosi, WI:

Largemouth bass - 1,858 reported catches
Smallmouth bass - 702 reported catches
Northern pike - 550 reported catches
Bluegill - 364 reported catches
Channel catfish - 301 reported catches

The latest Potosi, WI fishing reports are:

@remilawrence reported a nice Hybrid striped bass at Mississippi River (WI).
@brantleysmith3215 reported a nice Largemouth bass at Mississippi River (WI).
@loganparsons7656 reported a nice Smallmouth bass at Mississippi River (WI).
@wconlon2613 reported a nice Northern pike at Dubuque Harbor.
@GetYouSumm reported a nice Smallmouth bass at Mineral Point Branch.

Download the and see today's Fishing and Weather Forecast for Potosi, WI. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities:

Plan smarter: Get hour-by-hour fishing weather conditions.
Fish at peak times: Use BiteTime™ predictions to maximize catches.
Stay ahead of the weather: Get hyper-local, real-time updates.

The biggest Smallmouth bass (by length) reported in Potosi, WI was a 2 ft / 3.6 lbs caught by Fishbrain user @nogorogo at River Side Park on June 5, 2020.