1. Water quality: Mosquito-eating fish does not have high requirements for water quality. It can not only adapt to weakly acidic or weakly alkaline water, but also adapt to water with a salinity lower than 3%. You can use tap water that has been dried in the sun as aquaculture water.

2. Water temperature: Mosquito fish do not have high requirements for water temperature, and can be used in Survival in water at 5-40°C. Mosquito fish can also adapt to small changes in water temperature. However, when breeding, it is recommended to control the water temperature between 18-30°C, which is the optimum growth temperature for mosquito fish.

3. Feeding: Mosquito fish is an omnivorous fish, and tropical fish feed can be used to feed mosquito fish during breeding. Mosquito fish prefer to eat small aquatic insects, especially mosquito larvae.