Top fish species at Marys River
Check which species have trophy potential in Marys River
Marys River fishing reports
length · weight
length · weight
Continue browsing catches and catch locations in the Fishbrain app
When are Largemouth Bass biting on Marys River?
Learn what time of year and day to go fishing at Marys River. Download Fishbrain today to look for new fishing spots, scout new fishing access, or prep for your next trip.
Fishing regulations at Marys River, IL
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.
Fishing regulations in Illinois can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Blue catfish as of April 22nd, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
There are no harvest or size limits except in those waters listed under Site-Specific Regulations.
Ictalurus furcatus
Regulations for
FAQ about Marys River fishing
- Blue catfish - 2 members reported to have caught this fish
- American eel - 1 members reported to have caught this fish
- Largemouth bass - 1 members reported to have caught this fish
- @rhouse392 reported a nice Blue catfish.
- @rhouse392 reported a nice Largemouth bass.
- @mtindall9008 reported a nice American eel.
Free trial available