ST. MARYS RIVER NEAR GARDEN RIVER
ST. MARYS RIVER ON WSC
ST. MARYS RIVER NEAR GARDEN RIVER (02CA003) is a real-time streamflow monitoring station on the ST. MARYS RIVER in ON, operated by the Water Survey of Canada. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 44 fish species are associated with this station in public fish records.
- WSC station ID
- 02CA003
- Agency
- WSC
- Province
- ON
- Coordinates
- 46.5326, -84.1312
Live conditions & history
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Fishing regulations
FMZ 10 zone defaultDefault area rules for fish in the public records above. A grey row means the release has no canonical regulation match for that species.
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Brook Trout Open · Harvest allowed within limits Jan 1 – Sep 30 Details
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Jan 1 – Sep 30
- Sport licence catch-and-possession limit
- 5
- Conservation licence catch-and-possession limit
- 2
Official rule · retrieved Jul 25, 2026
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Largemouth Bass Open · Harvest allowed within limits Jun 20 – Nov 30 Details
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Jun 20 – Nov 30
- Sport licence catch-and-possession limit
- 6
- Conservation licence catch-and-possession limit
- 3
Official rule · retrieved Jul 25, 2026
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Northern Pike Open · Harvest allowed within limits Open all year Details
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Open all year
- Sport licence catch-and-possession limit
- 6
- Conservation licence catch-and-possession limit
- 2
- Size rule
- not more than 1 greater than 61 centimetres none greater than 86 centimetres ; none greater than 61 centimetres
Official rule · retrieved Jul 25, 2026
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Rainbow Trout Open · Harvest allowed within limits Open all year Details
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Open all year
- Sport licence catch-and-possession limit
- 2
- Conservation licence catch-and-possession limit
- 1
Official rule · retrieved Jul 25, 2026
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Smallmouth Bass Open · Harvest allowed within limits Jun 20 – Nov 30 Details
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Jun 20 – Nov 30
- Sport licence catch-and-possession limit
- 6
- Conservation licence catch-and-possession limit
- 3
Official rule · retrieved Jul 25, 2026
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Walleye Open · Harvest allowed within limits May 16 – Dec 31; Jan 1 – Mar 15 Details
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May 16 – Dec 31
- Sport licence catch-and-possession limit
- 4
- Conservation licence catch-and-possession limit
- 2
- Size rule
- none greater than 46 centimetres
Official rule · retrieved Jul 25, 2026
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Yellow Perch Open · Harvest allowed within limits Open all year Details
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Open all year
- Sport licence catch-and-possession limit
- 50
- Conservation licence catch-and-possession limit
- 25
Official rule · retrieved Jul 25, 2026
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Lake Sturgeon Closed Closed all year Details
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Closed all year
Official rule · retrieved Jul 25, 2026
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Alewife No season data
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American Brook Lamprey No season data
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Blacknose Dace No season data
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Blacknose Shiner No season data
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Bluntnose Minnow No season data
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Brassy Minnow No season data
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Brook Stickleback No season data
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Brown Bullhead No season data
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Central Mudminnow No season data
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Chinook Salmon No season data
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Coho Salmon No season data
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Common Shiner No season data
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Creek Chub No season data
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Fathead Minnow No season data
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Finescale Dace No season data
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Golden Shiner No season data
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Iowa Darter No season data
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Johnny Darter No season data
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Logperch No season data
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Longnose Dace No season data
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Longnose Gar No season data
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Longnose Sucker No season data
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Mimic Shiner No season data
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Mottled Sculpin No season data
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Northern Redbelly Dace No season data
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Pumpkinseed No season data
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Rock Bass No season data
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Rosyface Shiner No season data
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Sea Lamprey No season data
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Shorthead Redhorse No season data
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Silver Lamprey No season data
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Slimy Sculpin No season data
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Spottail Shiner No season data
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Threespine Stickleback No season data
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Trout-Perch No season data
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White Sucker No season data
Effective Jan 1, 2026 – Sep 14, 2027 · evaluated for 2026-07-27 in America/Toronto
Regulations shown are for reference only and may not reflect in-season changes. Always verify current regulations with the Ontario Fishing Regulations Summary before fishing.
Fish recorded near this station
Sampled in this watershedST. Marys River Near Garden River has documented fish occurrence data from Ontario provincial surveys (Aquatic Resource Area Survey Point, LIO Open Data). The survey records 44 species from observation sampling near this station.
Species include: Lake Sturgeon (Acipenser fulvescens), Alewife (Alosa pseudoharengus), Rock Bass (Ambloplites rupestris), Brown Bullhead (Ameiurus nebulosus), Longnose Sucker (Catostomus catostomus), and 39 others.
- Lake Sturgeon Acipenser fulvescens
- Alewife Alosa pseudoharengus
- Rock Bass Ambloplites rupestris
- Brown Bullhead Ameiurus nebulosus
- Longnose Sucker Catostomus catostomus
- White Sucker Catostomus commersonii
- Northern Redbelly Dace Chrosomus eos
- Finescale Dace Chrosomus neogaeus
- Mottled Sculpin Cottus bairdii
- Slimy Sculpin Cottus cognatus
- Brook Stickleback Culaea inconstans
- Northern Pike Esox lucius
- Iowa Darter Etheostoma exile
- Johnny Darter Etheostoma nigrum
- Threespine Stickleback Gasterosteus aculeatus
- Brassy Minnow Hybognathus hankinsoni
- Silver Lamprey Ichthyomyzon unicuspis
- Longnose Gar Lepisosteus osseus
- Pumpkinseed Lepomis gibbosus
- American Brook Lamprey Lethenteron appendix
- Common Shiner Luxilus cornutus
- Smallmouth Bass Micropterus dolomieu
- Largemouth Bass Micropterus salmoides
- Shorthead Redhorse Moxostoma macrolepidotum
- Golden Shiner Notemigonus crysoleucas
- Blacknose Shiner Notropis heterolepis
- Spottail Shiner Notropis hudsonius
- Rosyface Shiner Notropis rubellus
- Mimic Shiner Notropis volucellus
- Coho Salmon Oncorhynchus kisutch
- Rainbow Trout Oncorhynchus mykiss
- Chinook Salmon Oncorhynchus tshawytscha
- Yellow Perch Perca flavescens
- Logperch Percina caprodes
- Trout-Perch Percopsis omiscomaycus
- Sea Lamprey Petromyzon marinus
- Bluntnose Minnow Pimephales notatus
- Fathead Minnow Pimephales promelas
- Blacknose Dace Rhinichthys atratulus
- Longnose Dace Rhinichthys cataractae
- Brook Trout Salvelinus fontinalis
- Walleye Sander vitreus
- Creek Chub Semotilus atromaculatus
- Central Mudminnow Umbra limi
5 additional record(s) were reported as unidentified or mixed-taxa observations and are not resolved to species.
Where these records come from
- Evidence
- Sampled in this watershed
- Fish were sampled elsewhere in the same watershed — a provincial or federal survey nearby, not at the gauge itself.
- Records
- 44 species
- from 49 individual records
- Observed
- Jun 15, 2001 – Oct 18, 2024
- 44 dated records