The first 5 spines of the dorsal fin of mature males are longer, and the upper and lower soft spines of the caudal fin are elongated linearly. There is also a thick lateral line on the side of the body, and the characteristics of a strip of parallel diagonal stripes under the lateral line make it easy to distinguish them from other short sea breams when they are young. Although there are some differences between different species, the body color of the juvenile fish that you can usually see is relatively simple. When the mature male fish fights, each fin will turn into a strong rouge color, which is very easy to identify.

Same as other snappers, each black snapper Fish will have individual differences, among which blue, yellow, red and other colors are more famous. The red color on the cheeks of the red individual is too prominent, it is just like other species, so it is named as the red-headed black sea bream, which is also the most popular in the market. It is the offspring of mating with locally collected individuals with strong red color. The development of color raising technology makes their colors more dazzling.