2. Small crucian carp also likes to eat lichen, earthworm, shrimp, red worm, rice grains, bean flour and corn flour.
Adult crucian carp is mainly plant food. Because plant feed is rich in water, there are many varieties and wide range for eating. The stems, leaves, buds and fruits of vascular plants are the favorite food of crucian carp, and crucian carp can get all kinds of rich nutrients in the waters where higher aquatic plants such as water chestnut and lotus root are born. Diatoms and some algae are also the food of crucian carp, as well as shrimps, earthworms, young snails, insects and so on.
Extended data:
I suggest keeping the fish semi-hungry every day, so that they can digest quickly and be more active!
Secondly, we should pay attention to the following requirements:
1. Change the water once a week. Don't change the water too often.
It is suggested to raise some aquatic plants in the fish tank. ?
3. Adjust the water temperature to 16~28 degrees.
4. Sprinkle some salt every time you change water to prevent diseases.
5. Keep the fish semi-hungry, so the fish will be more active. ?
6. If you use tap water when changing water, you should expose the water for three days. ?
7. Get proper sun exposure.
8. The water temperature should be constant. ?
References:
Baidu encyclopedia-crucian carp