The Chinese fighting fish is not a cold water fish, but a tropical fish. They like to grow in water temperatures of 25-28 C. Male Chinese fighting fish are more aggressive and aggressive, and it is recommended to breed them separately. The female Chinese betta is relatively mild, and can be raised with tropical fish of similar size if there is enough space in the tank. But they can't be raised in the same tank as cold-water fish.
Most Chinese fighting fish like to grow in water between 25-28 degrees Celsius. However, there are many varieties of Chinese fighting fish, and the optimum water temperature of each variety is not necessarily the same. For example, the optimal water temperature for most round-tailed paradise fish is 24-27 degrees Celsius, and for most fork-tailed paradise fish is 20-25 degrees Celsius. Therefore, it is suggested that the water temperature should be determined according to the species.
Chinese fighting fish cannot be raised in cold water. Although they have a certain cold tolerance, they can survive in water above 6 degrees Celsius. But just because you can survive doesn't mean you can grow up. Generally, if the water temperature is lower than 14 C, their vitality will decrease significantly. If they go any lower, they will stop swimming, reduce their feeding, and can only barely maintain their lives. Therefore, if you want to keep them well, you need to use water with water temperature above 20 C, not cold water.
