The lifespan of blue triangle fish is generally 2~3 years. If you want to make it live longer, you need to pay attention to the following points:

1. Blue triangle fish is more suitable for water temperature of 22~28℃. It is better to control the pH value between 5.0~7.0, and the hardness (dGH) is about 4~12°N;

2. The blue triangle fish likes to move in the middle and upper parts of the water layer and can adapt to slight changes in water quality, but the temperature difference between day and night in the environment should not exceed 3 °C.