Aquarium Community College

Rainbowfish are colorful, active schooling fish that make stunning additions to freshwater aquariums. This beginner’s guide covers rainbowfish care, tank setup, diet, and the most popular species.

Looking for beginner-friendly rainbowfish? This guide covers the 5 best rainbowfish species for new aquarists, including care tips, tank requirements, and how to keep these colorful freshwater fish thriving.