Like other livebearers, swordtails are super-easy to breed in the home aquarium. In fact, these fish will probably multiply in your tank if you have both males and females. All you need to do is ...

Neon tetras get along with most other small tropical fish, including swordtails, danios, and gourami. Swordtails are live-bearers that come in a wide range of bright colors. Males have an extended ...