Largemouth Bass
The lily-pad bays and rocky shoreline points are where the topwater game lives. Puslinch is a warm, stained, shallow kettle bowl — ideal largemouth water — and the fish spread across the whole weed community, from the coontail and milfoil flats to the cabbage. Early mornings, a frog dragged over the pads or a stickbait along the points draws the strike. It's the most abundant gamefish in the lake, and the shallows are the whole map.
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Start shallow and stay shallow — most of Puslinch is under two metres, so the entire lake is one big weed flat. From the fourth-Saturday-of-June opener, largemouth hold the coontail, milfoil, and cabbage lake-wide, ambushing bluegill, pumpkinseed, and young perch out of the salad.
Fish topwater and spinnerbaits over the flats through summer, and frogs in the lily-pad bays when the water's warm. As fall cools the lake, the bass pull to the 6–8 ft weed edge where the flats drop toward the McCormick's Point basin — the one real depth change the lake has — and stack there with the pike, chasing baitfish before winter.
This is a eutrophic lake prone to summer algae and low-oxygen episodes, so the fish live where the green cover and the forage are, not out over open water.
Structure
Most of Puslinch sits under two metres, so nearly the whole lake is one weed flat — the core largemouth habitat, holding fish and forage from the June opener through summer.
Where the shallow flats drop toward the lake's one deep hole; fall-cooling bass stack on this weedline as the season winds down. (Angler-documented fall pattern.)
The warm-months topwater zone — frogs over the pads and stickbaits along the points draw the strike. (Angler-documented.)
Regulations
This is a summary, not the legal regulation — confirm current rules with the official source before fishing.