[Ebook] Encyclopedia of Aquarium & Pond Fish – Introduction to Pond Fish – Maintenance – Food and feeding
Coldwater fish, such as koi and goldfish, constantly forage for food—a behavioral characteristic that makes them seem hungry all the time, even though they may have no immediate need for sustenance. In the pond environment, they are able to browse on a range of natural foods, such as algae and plant matter, but they also need to be provided with a staple formulated food to achieve a balanced diet.
