* Peaches
* Pears
* Apples
* Bananas
* Grapes
* Oranges
* Strawberries
* Blueberries
* Raspberries
* Blackberries
Koi fish can also eat a variety of vegetables, including:
* Cucumbers
* Zucchini
* Squash
* Peppers
* Tomatoes
* Carrots
* Celery
* Spinach
* Lettuce
* Kale
When feeding koi fish fruits or vegetables, it is important to cut them into small pieces so that they can easily swallow them. You should also avoid feeding koi fish any fruits or vegetables that are spoiled or rotten.