Goldfish is one of the most popular ornamental fish. They are usually docile. They don't attack other fish and rarely fight. Goldfish are also very easy to domesticate and often swim around with their owners.

Goldfish has strong adaptability, can survive in various water quality conditions, and is very suitable for novice fish farming. In addition, there are many kinds of goldfish with different colors, which are very beautiful.

2. Clownfish

Clown fish is another very docile ornamental fish. They seldom attack other fish. They usually like to hide in corals and observe everything in the human world. Clownfish are also very easy to raise and can survive in a family environment.

The most famous species of clown fish is Nemo, which became the protagonist in the movie Finding Nemo. Nemo has given clown fish and all ornamental fish more exposure, so it is very popular now. However, due to the influence of movies, there are too many wild fishing in the market, which leads to the gradual decrease of clown fish in the natural environment. Now there are more clown fish at home.

3.rainbow fish

Rainbow fish is another very beautiful and docile fish. They are usually small and suitable for keeping in small fish tanks. There are many varieties of rainbow fish, about 100 varieties. Their colors are very rich and can bring great vitality and color to family aquariums.

Rainbow fish are generally gregarious fish. If you want to keep them, you'd better keep 5-6 at a time. They are easy to raise, but they need to control the water quality. If the water quality is bad, they will become very unhealthy. Rainbow fish have very high requirements for food, so it is best to consult a professional before buying.