Walleye is a freshwater fish found in North America, known for its delicious taste and popularity among anglers. There are different synonyms used to describe this fish depending on the region, habitat, or local tradition. Some of the common synonyms include yellow pike, jack salmon, marble eye, and walleyed pike. Another synonym for walleye is Sander vitreus, its scientific name. In Canada, walleye is often referred to as pickerel, which is not to be confused with true pickerel fish. Regardless of the name, walleye remains a prized catch for fishermen and a favorite dish for seafood lovers.