Ontario Walleye Slot Size
Zone Wide FMZ 17 walleye 'keep' slot is between 35-50 cm. (by my calc: 13'7'-19.6'). My interpretation of the FMZ 17 Zone Wide keep limits of 35-50 makes sense as these fish are in the 2.5 lb and under weight class. Probably not prime spawners? It’s early afternoon before we return, after releasing half a dozen walleye over the 18.1 to 23.6 inch slot size and keeping a few fish to eat. Scratching the surface of this immense system has been an ‘eye-opener and I wonder how many more walleye spots await discovery. Get all the details on ice-out walleye on Rainy River here.

Ontario Fishing Regulations Page:www.mnr.gov.on.ca/en/Business/LetsFish/Publication/STEL02_163615.html

A restrictive slot size regulation in the mid-90s coupled with the growing inclination towards catch and release seems to have improved the fishing in White and many other Northeastern Ontario lakes. After pooling our resources for a dinner of fresh walleye, chicken and salad back the campsite, we jump in our boats and head south to where the. In light of some disease fish being found and an increase in fishing pressure I would like to see a slot limit on walleyes to protect our great fishery. Perhaps 3 fish limit allowing one over 26 and a 18-26 slot. Ontario Walleye Northern Pike Muskie Fishing Regulations. Smallmouth Bass Regulations: Open Season: All Year Limit - Sport License: Dec. 1 to June 30, 2 in your possession less than 13.8 inches - July 1 to Nov. 30, 4 in your possession (no size limit).
Walleye & Sauger Regulations: Zone 4 Fishing Regulations (pdf) |

Northern Pike Regulations: Zone 4 Fishing Regulations (pdf) |
Ontario Walleye Slot Size
Smallmouth Bass Regulations: Zone 4 Fishing Regulations (pdf) |
Muskie Regulations: Zone 4 Fishing Regulations (pdf) |
Yellow Perch Regulations: Zone 4 Fishing Regulations (pdf) |
Ontario Walleye Slot Size Chart
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Fish SpeciesAmerican Eel Atlantic Salmon Aurora trout Black Crappie Bluegill Bowfin Bullhead Burbot Brook Trout Brown Trout Carp Channel Catfish Chinook Salmon Coho Salmon Freshwater Drum Golden Eye Mooneye Lake Herring (Cisco, Tullibee) Lake Sturgeon Lake Trout Largemouth Bass Longnose Gar Northern Pike Muskellunge Pink Salmon Pumpkinseed Rainbow Trout Redhorse species Rock Bass Sauger and Saugeye Smallmouth Bass Splake Temperate Bass Hybrid Walleye Whitefish White Bass White Sucker Yellow Perch | Length in inches32 24 16 12 9 20 10 24 18 20 30 24 35 30 20 10 10 16 50 30 20 32 40 40 28 9 25 16 10 16 20 20 20 28 22 10 16 13 |
For any other fish species the minimum length requirement is 9'.
Minimum length requirements are subject to change without notice.
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