🐟 What fish can you catch in St. Marys?

Most commonly caught species around St. Marys , PA : Largemouth bass - 1,425 reported catches Rainbow trout - 547 reported catches Smallmouth bass - 454 reported catches Brown trout - 347 reported catches Brook trout - 218 reported catches .

📢 What are the latest St. Marys fishing reports?

The latest St. Marys , PA fishing reports are: @Fast_Eddie_Outdoors reported a nice Brook trout . @Fast_Eddie_Outdoors reported a nice Brook trout . @LiamWC5 reported a nice Rainbow trout at Medix Run . @Krbass999 reported a nice Golden rainbow trout . @lucassantarlas reported a nice Rainbow trout . .

Fishing in St. Marys, PA

Q: 🎣 Where to fish in St. Marys, Pennsylvania?

Anglers in St. Marys , PA recommend these top fishing spots: Clarion River , Laural Run Reservoir , East Branch Clarion River Lake , Little Toby Creek , Elk Creek .

Q: 📅 What is the best time to go fishing in St. Marys?

Download the Fishbrain app and see today's Fishing and Weather Forecast for St. Marys , PA . 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. .

Pennsylvania, United States

Want trophy-size catches? These St. Marys spots deliver

Scan the QR code to download the app!

Top fish species in St. Marys

Latest St. Marys fishing reports

Brook trout

length · weight

Brook trout

length · weight

Rainbow trout

Medix Run

22 in · 5 lb 3 oz

Golden rainbow trout

length · weight

Rainbow trout

length · weight

Golden rainbow trout

length · weight

Brown trout

Mountain Run

length · weight

Golden rainbow trout

length · weight

Golden rainbow trout

length · weight

Brook trout

length · weight

More catches in the app...

Continue browsing catches and catch locations in the Fishbrain app

Scan the QR code to download the app!

Fishing regulations in St. Marys

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 Pennsylvania 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 Largemouth bass as of April 1st, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Select species

Largemouth bass

Seasons

Open

Bag limit

Min size

15"

Measurement

Total Length

Special gear

Aggregate

Statewide regulations are shown. During the closed season, no harvest of bass; you must immediately release any bass you catch.

Jan 1 - Apr 12: minimum size = 15-inches; daily limit = 4 bass
Apr 13 - Jun 7: no harvest of bass; catch and immediate release only
Jun 8 - Sept 30: minimum size = 12-inches; daily limit = 6 bass
Oct 1 - Dec 31: minimum size = 15-inches; daily limit = 4 bass

To see additional site-specific trout regulations, you must see Pennsylvania Bass Fishing Regulations.

Very good Catch, Clean, Cook Largemouth Bass by BlueGabe

Micropterus nigricans

Regulations for

41°27′26.6″N 78°32′3.1″W

Regulations in the map

Download Fishbrain and fish smarter

Unlimited access to the best fishing spot finder in the game. Get all the fishing intel you need to start catching more, and bigger, fish.

Free trial available

FAQ about St. Marys fishing

Anglers in St. Marys, PA recommend these top fishing spots: Clarion River, Laural Run Reservoir, East Branch Clarion River Lake, Little Toby Creek, and Elk Creek.

Most commonly caught species around St. Marys, PA:

Largemouth bass - 1,425 reported catches
Rainbow trout - 547 reported catches
Smallmouth bass - 454 reported catches
Brown trout - 347 reported catches
Brook trout - 218 reported catches

The latest St. Marys, PA fishing reports are:

@Fast_Eddie_Outdoors reported a nice Brook trout.
@Fast_Eddie_Outdoors reported a nice Brook trout.
@LiamWC5 reported a nice Rainbow trout at Medix Run.
@Krbass999 reported a nice Golden rainbow trout.
@lucassantarlas reported a nice Rainbow trout.

Download the and see today's Fishing and Weather Forecast for St. Marys, PA. 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: