Ontario · Canada

Diamond Lake

Species in Diamond Lake

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Species	Season	Limit	Notes
Brook Trout	Feb. 15 - Sept. 30	S - 5, not more than 1 greater than 31 cm (12.2 in.)	Conservation licence: C - 2, none greater than 31 cm (12.2 in.)
Lake Trout	February 15 to third Sunday in March and third Saturday in May to Labour Day	S-2; not more than 1 greater than 40 cm	Conservation licence: C - 1
Lake Whitefish	Open all year	S - 12	Conservation licence: C - 6
Largemouth and Smallmouth Bass or any combination	January 1 to third Sunday in March and third Saturday in May to December 31	S - 6	Conservation licence: C - 2
Northern Pike	Jan. 1 - 3rd Sun. in Mar. & 3rd Sat. in May - Dec. 31	S - 6, not more than 2 greater than 61 cm (24 in.), of which not more than 1 is greater than 86 cm (33.9 in.)	Conservation licence: C - 2, not more than 1 greater than 61 cm (24 in.), none greater than 86 cm (33.9 in.)
Walleye and Sauger or any combination	Jan. 1 - 3rd Sun. in Mar. & 3rd Sat. in May - Dec. 31	S - 4, none between 43 - 60 cm (16.9 - 23.6 in.), not more than 1 greater than 60 cm (23.6 in.)	Conservation licence: C - 2, none between 43 - 60 cm (16.9 - 23.6 in.), not more than 1 greater than 60 cm (23.6 in.)
Yellow Perch	Open all year	S - 50	Conservation licence: C - 25

Always confirm regulations with the official provincial guide before fishing — rules change, and waterbody-specific exceptions apply.

Additional opportunity: Lake Trout — Refer to Zone-Wide Seasons and Limits — S-2; not more than 1 greater than 50 cm
Additional opportunity: Lake Trout — Refer to Zone-Wide Seasons and Limits — C - 1

Species & zone: Land Information Ontario (Aquatic Resource Area). Regulations: Ontario Fishing Regulations Summary data (data.ontario.ca).