Guppy, whose scientific name is peacock killifish, is a very popular ornamental fish. Guppy has a gentle temperament and can be kept in a mixed culture with mild small and medium-sized tropical fish. It is usually lively and active, but guppy has a short lifespan.

In addition, there are male and female guppies, but male and female guppies They look very similar, and many parents can't tell them apart correctly. However, with the correct method, breeders can still accurately distinguish between male and female guppies.

Through research, it has been found that the most important feature of male and female guppies is the pelvic fins. The pelvic fins of male fish are relatively pointed, while the pelvic fins of female fish are relatively round.

Also, you observe male and female guppies from a distance. You will find that male fish are generally smaller in stature, but have brighter body colors. Their tails are generally very large, drooping and brightly colored, making them look very beautiful and dazzling.

Compared to the female fish, its body size is generally larger, and especially the belly will look very big. There are some black patches on the belly. The tail is relatively small compared to the body, and the top and bottom Relatively symmetrical.

Scientifically speaking, when guppies grow to 1-2 months When they are older, you can observe the differences and changes in their pelvic fins. At this time, you should be able to correctly identify the male and female guppies.