L - length
G - extent
H - local habitats
D - visual distinctions
Click on images for enlarged versions.

While this resource is a production of the Algonquin Adventures website, much of its information pertaining to trout has been provided by Greg Betteridge.

Lake Trout (Salvelinus namaycush)

Requesting submission of specimen photo to fish@algonquinadventures.com .

L - 12 - 32 inches.
G - Approx. 150 deep water lakes in the park.
H - Cold water (deeper in the summer).
D - Deeply forked tail. Spot-like markings on dark background, on flanks and down onto belly. Wavy lines and/or spots on face and gill covers. Whitish or orange fins with lighter leading edges.

Brook Trout (Salvelinus fontinalis)

Photos © Greg Betteridge

L - 12 - 22 inches.
G - Approx. 230 lakes and some rivers in the park.
H - Cold water (deeper in the summer).
D - Square tail. Yellowish spots (specks) on darker background on flanks, but not entended onto belly. (Image) Some red spots and blue halos. No marks on face and gill covers. Red-orange fins with black/white leading edges.

Splake (Salvelinus namaycush x Salvelinus fontinalis)

Photos © Greg Betteridge

L - 12 - 22 inches.
G - Stocked lakes throughout the park.
H - Cold water (deeper in the summer).
D - Moderately forked tail. Yellowish spots on flanks usually extended onto belly. No red spots, but sometimes orange spots; rarely blue halos. red-orange fins with black/white leading edges.

Smallmouth Bass

Photo © Barry Bridgeford

L - 12 - 22 inches.
G: At least 79 lakes, most in vicinity of old railways and Hwy 60.
H : Warm water (upper layer of lakes in summer).
D: Dark back, muted green scaled flank, transitioning to pale belly.

Northern Pike

Photo © Barry Bridgeford

L - 15 - 40 inches
G - Opeongo River system up to Annie Bay dam, southeast corner of park, and Sec Lake.
H - Warm water (quite vegetated areas).
D - light-yellowish elongated spots on dark green, white belly, rounded tips on tail fin, and sharp teeth.