guppies

3 Foolproof Ways to Tell if a Guppy is Male or Female

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Identifying Physical Differences Anal Fin Shape The anal fin is located on the underside of the fish, just behind the belly. In male guppies, the anal fin is modified into a long, pointed structure called a gonopodium. The gonopodium is used to transfer sperm to the female during breeding. In female guppies, the anal fin … Read more

10 Easy Ways to Tell the Difference Between Male and Female Guppies

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Guppies are one of the most popular and beloved aquarium fish. They are known for their vibrant colors and playful personalities. However, if you are new to guppy keeping, you may be wondering how to tell the difference between male and female guppies. While there are some subtle differences, it is actually quite easy to … Read more