The Official South Dakota State Fish

Walleye (Sander vitreus)

Sander vitreus, more commonly known as the Walleye, is a freshwater fish species that is native to North America. It is a member of the perch family and is found in various bodies of water, including lakes, rivers, and reservoirs. The Walleye is a highly sought-after game fish, prized for its firm white flesh and challenging fight.

One interesting fact about the Walleye is its unique eye structure. Its eyes are large and reflective, giving it excellent night vision and the ability to see in low light conditions. This is why the Walleye is most active at dawn and dusk, earning it the nickname "the fish that sees in the dark." Additionally, the Walleye's eyes contain a layer of tissue called the tapetum lucidum, which reflects light back through the retina, allowing it to see better in turbid or murky water.

Another fascinating aspect of the Walleye is its ability to change color depending on its environment. They can appear olive, gold, or even blue-gray, depending on the water clarity and bottom substrate. This adaptation helps them blend in with their surroundings and makes them difficult for prey to spot.

In South Dakota, the Walleye holds a special significance as it is the official state fish. This designation was made in 1982 to recognize the importance of the Walleye to the state's economy and culture. The Walleye is a popular sport fish in South Dakota, attracting thousands of anglers each year. The state also has a strong commercial fishery for Walleye, with millions of pounds harvested annually.

In conclusion, the Walleye is a fascinating species that has captured the hearts of many in South Dakota. Its unique eye structure and ability to adapt to its surroundings make it a truly remarkable fish. Its designation as the state fish is a testament to its importance and popularity in the state.

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