Red marine fish are generally oriental groupers, but red fish such as sequoia, red snapper and silver carp are also red. Oriental grouper is a kind of grouper with fierce nature. Therefore, if it is mixed, it must be noted that it is usually raised with the same fierce fish. If mixed with docile fish, it will swallow. Usually I mainly feed some fish and shrimp. Feeding live food will help it keep its color.

Quality classification

Level 1: the whole body is light red, or red patches (red east)

Second class: red with black, dark (Australasia)

Third-class product: slightly pink (Yangdong)

Grade 4: black or black patches (black east)