Tiny, neon-colored, and generally adaptable, neon tetras make for popular aquarium fish. Just make sure to set the right environment for them! While tetras can adapt to a wide range of water pH ...

These hardy and low-maintenance fish thrive in tanks around 75-80 degrees. Neon tetras get along with most other small tropical fish, including swordtails, danios, and gourami. Swordtails are live ...