Most people who like to cook set the goal of making each dish turn out as delicious as possible, and therefore place a lot of importance in using good ingredients fresh meat and produce, dried foods and condiments, and seasonings. All three of these elements are equally important, and finding the best of each is essential to good cooking.
For freshwater fish, the places to look are local markets near rivers, lakes and streams. The local fishermen display everything they have caught in wicker baskets.