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Lake intelligence

Lake Ontario

ZONE
FMZ 20
Official zone page
MNRF DISTRICT
Lake Ontario Management Unit
MNRF records
STOCKING RECORDS
3902
1931–2026 · MNRF
CONDITIONS
Coming soon
No reliable source yet
Official regulations ↗+ Follow

Fish here

Stocked since 2016 according to MNRF records.

Atlantic SalmonBrown TroutChinook SalmonLake TroutRainbow Trout

A full list of species present needs a source we can cite. Check Fish ON-Line (opens in a new tab) for the province's lake data.

Rules

Lake Ontario is in Fisheries Management Zone 20. Seasons, limits and lake-specific exceptions are on the official page.

FMZ 20 — Ontario Fishing Regulations Summary ↗Fisheries management zone map ↗

Link last checked 2026-11-06. We never copy regulation text.

Stocking record

Source: Ontario MNRF
YearSpeciesStageFish stocked
2026Atlantic SalmonAdult141
2025Atlantic SalmonYearlings2,098
2025Atlantic SalmonAdult1,401
2025Brown TroutYearlings202,994
2025Chinook SalmonFingerlings243,464
2025Rainbow TroutYearlings36,150
2024Atlantic SalmonAdult743
2024Brown TroutYearlings148,626
2024Brown TroutFingerlings40,000
2024Chinook SalmonFingerlings508,680
2024Rainbow TroutYearlings30,015
2024Rainbow TroutAdult109
2023Atlantic SalmonAdult511
2023Brown TroutYearlings126,194
2023Chinook SalmonFingerlings294,097
2023Lake TroutYearlings51,344
2023Rainbow TroutYearlings24,491
2022Atlantic SalmonAdult310
2022Brown TroutYearlings184,012
2022Brown TroutAdult404
2022Chinook SalmonFingerlings415,817
2022Rainbow TroutYearlings28,850
2022Rainbow TroutAdult122
2021Atlantic SalmonYearlings937
2021Atlantic SalmonAdult47
2021Brown TroutYearlings180,600
2021Brown TroutAdult558
2021Chinook SalmonFingerlings345,922
2021Rainbow TroutYearlings31,245
2021Rainbow TroutAdult372
2020Brown TroutYearlings175,320
2020Chinook SalmonFingerlings382,415
2020Lake TroutYearlings14,458
2020Rainbow TroutYearlings30,017
2020Rainbow TroutAdult120
2019Atlantic SalmonAdult597
2019Brown TroutYearlings208,721
2019Chinook SalmonFingerlings399,271
2019Rainbow TroutYearlings29,160
2018Atlantic SalmonAdult416
2018Brown TroutYearlings177,911
2018Chinook SalmonFingerlings420,025
2018Rainbow TroutYearlings29,238
2017Brown TroutYearlings173,741
2017Chinook SalmonFingerlings289,436
2017Rainbow TroutYearlings23,759
2016Atlantic SalmonFingerlings25,004
2016Brown TroutYearlings163,727
2016Chinook SalmonFingerlings413,294
2016Lake TroutYearlings134,141

11 stocking years since 2016.

All species ever stocked (1931–2026)

Atlantic Salmon · last 2026Brown Trout · last 2025Chinook Salmon · last 2025Rainbow Trout · last 2025Lake Trout · last 2023Bloater · last 2015Walleye · last 2012Coho Salmon · last 2009Brook Trout · last 1988Northern Pike · last 1988Splake · last 1976Sockeye Salmon · last 1970Muskellunge · last 1969Ameiurus sp. · last 1964Perches · last 1964Sunfishes · last 1964Largemouth Bass · last 1962Lake Whitefish · last 1961Lake Herring · last 1950

Stocking history shows what was released, not what is in the lake today.

MNRF Fish Stocking Data for Recreational Purposes (opens in a new tab)MNRF Historical Fish Stocking Data (opens in a new tab)

Still looking for a reliable source

  • Public access points (shore, launches, piers)
  • Full list of species present

Record last checked 2026-11-06.