What color fish is the most beautiful?

Peacock fish is a slender fish with a flat back and a beautiful tail. There is a great difference in size and color between male and female fish. The male fish is thin and thin, with a body length of 4 ~ 5 cm. Dorsal fin is long and sharp, caudal fin is wide and long, accounting for more than half of the total length, and caudal stalk is longer than caudal stalk. According to the shape of its tail fin, it can be divided into early tail, lower sword tail, double sword tail, piano tail, needle tail, round tail, flag tail, fan tail, triangular tail, truncated tail and pointed tail. Its body, dorsal fin and caudal fin are rich in colors, mainly including red, blue, black, yellow, green, tiger skin and variegated colors. Some male fish have small blue-black spots on their tails, like peacock's tail feathers, hence the name. Female fish is stout: the body length can reach about 7 cm, the body color is dim, fleshy and slightly transparent, and the color of dorsal fin and caudal fin is far less than that of male fish. Peacock fish is the most common and favorite fish in tropical fish. It is small and exquisite, lively and active. The male fish is about 3 cm long, and the tail stalk and tail fin account for about 2/3 of its length. The female fish can reach 6 cm in length, and the tail stalk and tail fin account for more than 1/2 of the whole body. Male fish are rich in colors, including red, orange, green, cyan, blue and purple, and the key colors are light red, light green, light yellow, red, purple and Kong Quelan. There are blue-red spots on the tail fin and abdomen, surrounded by light-colored rings, which are like peacock tail feathers, hence the name. The dorsal fin is short and high, and the caudal fin is wide and long, with various shapes, such as piano tail, round tail, upper sword tail, lower sword tail, fork tail, square tail, torch tail, tooth tail and big tail. The body color of female fish is much worse than that of male fish, and most of them are single silver gray. Although there are some patterns on the tail fin, it is not as bright as the male fish. The female fish has shorter fins than the male fish, but its body length is about twice that of the male fish. Peacock fish is very prolific. After long-term cross cultivation, many varieties of colors have been produced.