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fighting fish is aggressive and fierce. Betta is a small freshwater fish, generally 6 ~ 7 mm in length. It is famous for its gorgeous body color and ferocity. It can inhabit the sewage in ponds and ditches and prey on jagged animals. Male fish are good at fighting.

guppy is the most common and popular fish in tropical fish. It is small and exquisite, lively and active. The male fish is about 3 cm long, and its tail handle and tail fin account for about 2/3 of its length. The female fish can reach 6 cm in length, and its tail stalk and tail fin account for more than half of the whole body.

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Peacock flower (peacock fish), also known as anchovy, rainbow flower, rainbow flower, guppy, etc., is a kind of tropical fish belonging to the genus Anthuridae, with great differences in body shape and color between male and female fish. The adult male fish is thin and 3-4 cm long.

gorgeous body color and beautiful figure; Adult female fish is about 5 cm long, and its tail stalk and tail fin account for more than 1/3 of the whole body, and each fin is shorter than that of male fish. It is much inferior to the male fish.