The walleye in "Stardew Valley" is a relatively unique fish in the game. If you want to get the walleye, you can fish in the lake where it rains in autumn or obtain it through other methods. The other methods are first Gifted by the pet cat with the highest friend relationship.
How to get Bigeye Fish in Stardew Valley
In Stardew Valley, there are three other ways to obtain walleye besides fishing, and each method has its own advantages. However, you'll need a little luck to land a walleye in any of the following ways:
Given by the pet cat with the highest friend relationship
Found in a trash can in the town of Pelican during the fall or winter months
Purchase it at the travel shop, the price is between 315 and 1000 gold coins