Aquarium Community College

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.

Wild bettas are some of the most underrated fish in the aquarium hobby, offering unique behaviors, subtle beauty, and fascinating breeding strategies that go far beyond the typical Betta splendens. In this guide, we take a closer look at Betta channoides, Betta dimidiata, and Betta albimarginata—three incredible species that showcase just how diverse and rewarding wild bettas can be for dedicated aquarists.

Some acara species get all the attention—but there are a handful that quietly outperform the rest. In this guide, we break down five underrated acara cichlids that bring color, personality, and surprisingly manageable behavior to the right setups.

Thinking about adding live plants to your aquarium? Here’s what they actually do for your tank—from improving water quality to reducing stress—and why they’re one of the best upgrades you can make.

Thinking about adding crushed coral to your freshwater aquarium? Here’s what it actually does, when it helps, and when it can cause more problems than it solves—no fluff, just real hobbyist insight.