Garra Rufa fishes originate in Turkey, a kind of subtropical fresh water fish of the family Cyprinidae. Garra Rufa fishes are usually 4-8cm long. The most suitable temperature for them is 20-35°C. They use their mouths, which look like sucking disks, to suck away bacteria in the pores and dirt on human bodies. At the same time, the fish can excrete a special kind of saliva which is rich in enzyme, which can help to treat some skin diseases.
The Chinese Dr Fishes originate in Hainan Island. They are a kind of tropical fresh water fish of the family Sparidae. Their bodies are laterally compressed, usually 2-4cm long. The most suitable temperature for them is 20-40°C. There are two colors: light red and dust-color.