2. Catfish
When we are talking about aquarium hobby, catfish, the second one on the list of best tasting freshwater fish to eat is one of the most important fish. Also, for over hundreds of years in Africa, Europe, North America and Asia, catfish has been caught for food. In Central Europe, catfish is used as a delicacy for any kind of feast or holiday. Per 3 oz, catfish contains 194 calories, 2.8g saturated fat, 2.8g polyunsaturated fat, 4.8 monounsaturated fat, 60 mg cholesterol, 238 mg sodium, 289 mg potassium, 7g carbohydrate and 15g protein.