The water temperature of Phnom Penh red clownfish is best controlled between 26-27℃. Temperature also affects the growth and reproduction of Phnom Penh rosy clownfish. Only at the most suitable temperature can Phnom Penh rosy clownfish grow and reproduce normally. Phnom Penh rosy clownfish is a tropical marine fish native to the warmer waters of the Indian Ocean and the Pacific Ocean.

As one of the most heat-resistant sea fish, Phnom Penh thru The red clownfish adapts to a wide range of temperatures. According to the difference of fish species and fish physique, the minimum temperature for raising Phnom Penh rosy clownfish is 18°C, and the highest temperature acceptable for Phnom Penh rosy clownfish can be below 35°C. It's just that when the temperature is extremely low, the Phnom Penh rosy clownfish is not very active and does not like to eat. Basically, it enters the state of self-protection of the Phnom Penh rosy clownfish, waiting for the temperature to rise. When the temperature is too high, the Phnom Penh rosy clownfish will become quite active and more aggressive. Of course, except for some special high temperature conditions, for example, high water temperature is required to treat white spot worms, and low water temperature is required to treat bacterial infections.