Fish and bananas can be eaten together, there are no ingredients in the two foods that can conflict. Fish and bananas are both highly nutritious ingredients that can be eaten together without adverse reactions or affecting your health. Fish is rich in protein, unsaturated fatty acids and other nutrients, and regular consumption of fish can supplement the body’s need for protein and minerals. Take bighead carp as an example, every 100 grams used to contain 100 calories, of which 15.3 grams of protein, 2.2 grams of fat, 0.6 grams of monounsaturated fatty acids, 0.3 grams of polyunsaturated fatty acids, 4.7 grams of carbohydrates, 229 milligrams of potassium, 82 milligrams of calcium, 19.5 micrograms of selenium. Bananas are rich with sugar, vitamins, dietary fiber and other nutrients, and eating bananas promotes gastrointestinal peristalsis. Every 100 grams of bananas contain 89 calories, 22.8 grams of carbohydrates, 1.1 grams of protein, 2.6 grams of dietary fiber, 358 milligrams of potassium, vitamin C8.7 milligrams. Also note that if you eat unripe bananas, it may cause adverse reactions, this is because unripe bananas contain more ellagic acid, fish contains a large amount of calcium, the combination of the two to form a deposit is not easy to digest, resulting in diarrhea, bloating and so on.