




Sander vitreus
The Walleye is a fish that is known for its big eyes, which help it see well in dark waters. It's a popular fish for anglers!
Habitat: Lakes and rivers
The Walleye has a long, slender body typically olive to gold with a white belly, featuring distinct dark bars on its sides. Its most striking feature is its large, opaque, light-sensitive eyes that reflect light, giving them a cloudy appearance.





Category
FishRarity
Common
Danger
2/5
Snaps
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Female Walleye can lay hundreds of thousands of tiny eggs in just one season!
They are so popular, some states in the USA call them their official state fish!
Walleye can change how much light enters their eye, just like a camera lens!
Walleye eyes glow like marbles in the dark due to a special reflective layer!
Walleye can see well in low light because their large, reflective eyes gather more light, helping them hunt at dawn and dusk.
Walleye has sharp, spiny fins that can deter predators, making them a less appealing meal for bigger fish.
Walleye can blend into murky waters because its mottled, olive-gold skin provides excellent camouflage, helping it ambush prey.
Walleye are expert hunters, mostly eating smaller fish, but also insects and crayfish when young.
Age differences: Young Walleye eat mostly insects and small crustaceans, shifting to fish as they grow larger.
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Danger
2/5
Watch quietly from a distance and never try to feed or chase wild animals.
35-75 cm
0.7-5 kg
7-15 years
Walleye are expert hunters, mostly eating smaller fish, but also insects and crayfish when young.
15 km/h
Lakes and rivers
Ambush
40 m
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