MISSINAIBI RIVER AT MATTICE
MISSINAIBI RIVER ON WSC
MISSINAIBI RIVER AT MATTICE (04LJ001) is a real-time streamflow monitoring station on the MISSINAIBI 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. 8 fish species are associated with this station in public fish records.
- WSC station ID
- 04LJ001
- Agency
- WSC
- Province
- ON
- Coordinates
- 49.6111, -83.2678
Live conditions & history
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Fishing regulations
FMZ 8 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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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 2 greater than 61 centimetres of which not more than 1 greater than 86 centimetres ; not more than 1 greater than 61 centimetres none greater than 86 centimetres
Official rule · retrieved Jul 25, 2026
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Smallmouth Bass 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
Official rule · retrieved Jul 25, 2026
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Walleye Open · Harvest allowed within limits Jan 1 – Apr 14; May 16 – Dec 31 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
- not more than 1 greater than 46 centimetres
Official rule · retrieved Jul 25, 2026
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Brown Bullhead No season data
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Burbot No season data
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Fallfish No season data
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Longnose Sucker No season data
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White Sucker No season data
General area restrictions
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Period not confirmed
- Sport licence catch-and-possession limit
- 5
- Conservation licence catch-and-possession limit
- 2
- Limit details
- total daily catch possession limit for all trout salmon species combined
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 watershedMissinaibi River At Mattice has documented fish occurrence data from Ontario provincial surveys (Aquatic Resource Area Survey Point, LIO Open Data). The survey records 8 species from observation sampling near this station.
Species include: Brown Bullhead (Ameiurus nebulosus), Longnose Sucker (Catostomus catostomus), White Sucker (Catostomus commersonii), Northern Pike (Esox lucius), Burbot (Lota lota), and 3 others.
- Brown Bullhead Ameiurus nebulosus
- Longnose Sucker Catostomus catostomus
- White Sucker Catostomus commersonii
- Northern Pike Esox lucius
- Burbot Lota lota
- Smallmouth Bass Micropterus dolomieu
- Walleye Sander vitreus
- Fallfish Semotilus corporalis
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
- 8 species
- from 8 individual records
- Observed
- Sep 18, 2012 – Sep 18, 2025
- 8 dated records