Species

What it looks like medium-sized, deep-bodied fish green to olive back and sides yellow to white belly body often has dark vertical broken bars 9 to 11 dorsal fin spines shallow notch between dorsal fins upper jaw does not extend beyond eye Size length: 25-50 centimetres (10-20 inches) weight: 0.5-1.6 kilograms (1-3.5 pounds) Ontario record: 4.5 kilograms (9.8 pounds) Similar fish Largemouth Bass Rock Bass Where it is found Range Great Lakes watershed, St. Lawrence River and northward beyond Lake Nipissing introduced into many areas of Northwestern Ontario use Fish ON-Line, an interactive mapping tool, to find specific lakes and...

What it looks like medium-sized, deep-bodied fish back and sides are green to olive belly is yellow to white broken horizontal stripe along body 9 to 11 dorsal fin spines deep notch between dorsal fins upper jaw extends beyond eye Size length: 25-55 centimetres (10-22 inches) weight: 0.7-1.8 kilograms (1.5-4 pounds) Ontario record: 4.7 kilograms (10.4 pounds) Similar fish Smallmouth Bass Rock Bass Where it is found Range southern Ontario through the lower Great Lakes some populations in Northwestern Ontario use Fish ON-Line, an interactive mapping tool, to find specific lakes and rivers Habitat warm, weedy water clear, rocky lakes...

What it looks like Large, elongated fish Back is olive-green to brown; sides paler with yellow flecks No distinct blotches or bands on adults White tip on lower tail fin Spiny and soft dorsal fins separated Large mouth extends below back edge of eye Large teeth Size Typical length: 35.5–58.4 centimetres (14-23 inches) Typical weight: 0.68–1.36 kilograms (1.5-3 pounds) Ontario record: 10.1 kilograms (22.3 pounds) Similar fish Yellow Perch Where it's found Range throughout Ontario especially common in the Great Lakes basin and Northern Ontario use Fish ON-Line, an interactive mapping tool, to find specific lakes and rivers Habitat a range...

What it looks like very large, elongated fish (second-largest in Ontario) dark vertical bands on light background, at times spotted or clear green-gold, brown, grey or silver back lighter sides beige to white belly partially scaled cheek and gill cover 12-18 pores on underside of lower jaw tips of tail fin more pointed than northern pike Size length: 71-137 centimetres (28-40 inches) weight: 4-11 kilograms (8-23 pounds) Ontario record: 29.5 kilograms (65.0 pounds) Similar fish Northern Pike How to tell the difference between Northern Pike and Muskellunge Where it is found Range from the St. Lawrence River and the Great...

What it looks like elongated, moderately deep-bodied fish blue or green back silvery sides white belly spotted tail black mouth and gums leading ray on anal fin extends ⅓ the length of the fin short, narrow caudal peduncle (where body and tail join) Size length: 30-100 centimetres (12-39 inches) weight: 3.1-6.8 kilograms (7-15 pounds) Ontario record: 21 kilograms (46.4 pounds) Similar fish Brown Trout Rainbow Trout Coho Salmon Where it is found Range spend most of the year in the cold waters of the Great Lakes return to tributary streams to spawn use Fish ON-Line, an interactive mapping tool, to...