Betta is aggressive and fierce. Betta is a small freshwater fish, generally 60 ~ 70 mm in length. It is famous for its gorgeous body color and ferocity. It can live in the sewage of ponds and ditches and prey on jagged animals. Male fish are good at fighting.

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.

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Peacock flower _ (Peacock flower _), commonly known as peacock fish, is also called anchovy, rainbow flower _, rainbow flower _, peacock fish and so on. , a tropical fish, belongs to the genus Anthurium, and the size and color of male and female fish are very different. Adult males are thinner and 3-4 cm long.

Colorful body color and beautiful figure; The adult female fish is about 5 cm long, and the tail stalk and fins account for more than 1/3 of the whole body, and each fin is shorter than that of the male fish. It is much worse than the male fish.