1, grouper is a relatively special kind of fish, it is a saltwater fish also freshwater fish. Grouper generally grows in the tropical and temperate oceans, preferring to inhabit the rocky reefs, gravel, coral reef substrate of the sea area, the habitat changes with the water temperature.
2. Freshwater grouper is mainly a tropical fish, which can grow in freshwater, and the water temperature is good at about 30 degrees, and the water temperature is lower than 15 degrees which will affect its growth, therefore, the area of 15 degrees in winter is not suitable for the growth of freshwater grouper.