The juveniles of the European swamp turtle mainly feed on aquatic invertebrates, and also eat aquatic plants. After growing up, the European swamp turtle will become a partial vegetarian. European sea turtles grow rapidly, omnivorous, animal and plant food European sea turtles are all welcome, such as snails, insects, worms, shrimp, mussels, fish, animal offal, turtle food, etc. and various The aquatic plants are all liked by European sea turtles, but it is best to use turtle food as the mainstay.

European sea turtle hatchlings can be fed twice a day. As the European sea turtle grows, feed less slowly. Ou Ze turtles are docile, and try to use their hands when feeding to increase interactivity. Calcium needs to be supplemented in the breeding process of European sea turtles. In order to prevent bone metabolism diseases, feeding squid bones, crushed egg shells or low-cost calcium carbonate are better forms of calcium supplementation. These things can be thrown directly into the water, allowing the European sea turtle to ingest it casually. At the same time, European marsh turtles require natural light or artificial UVB to produce vitamin D, which promotes calcium absorption.