Key Congo puffer care details: 55-gallon tank, sand substrate, and hard-shelled diet prevent overgrown teeth.

Get expert tips for breeding Corydoras and Plecos, from cave setup to egg care. This guide reveals the key steps.

Get calcium for snails, shrimp, and crabs right without expensive, pH-spiking failures - here’s how.

A variegated aquarium plant is a genetic chimera, not sick, but the stable types still demand a hostage negotiator’s care.

Unlike most coral, you don’t feed GSP - their algae does - but the real surprise is where you’ll glue them next.