When the yellow-headed side-neck turtle is mixed with fish, there will be some fish feces in the water, and the yellow-head side-neck turtle can use fish feces as its own food. Many farmers feel that these fish feces are not nutritious and easy to pollute the water quality, so they do not want to mix fish with yellow-headed side-neck turtles. In fact, fish excrement will contain some animal protein, these nutrients are helpful to the growth and development of yellow-headed side-neck turtles. However, in general, the yellow-headed side-neck turtle is a kind of turtle with a preference for vegetarian food, so it needs to eat plant food as its staple food. You can put some water plants in the container, or take the vegetables at home as their main food, vegetables and water plants, algae and so on are the favorite food of the yellow-headed side-neck turtle.
Although the yellow-headed side-necked turtle can eat fish excrement, fish excrement will pollute the water quality after all. So you can always observe, if there is a lot of fish feces in the water, you need to clean up in time, when necessary, you need to change the water. If the water quality is too bad, the container will cause the yellow-headed side-neck turtle to get sick.
The yellow-headed side-necked turtle can be mixed with fish, because they are mainly vegetarian and generally do not eat fish as their own food. However, in order to avoid accidents, attention should be paid to the selection of polyculture fish. First of all, in terms of size, you can't choose a fish that's too small. In addition, we need to choose fish with high activity and fast swimming speed, which is not easy to be eaten. Specifically, you can choose pearl fish, parrot fish and other varieties.