Killifish are one of the most colorful fish in the freshwater aquarium hobby, but they aren’t as well-known. Learn about our 5 favorite killies to keep.

This energetic, almond-shaped fish has an iridescent blue sheen and is easy to care for. Learn how to house, feed, and breed the Praecox rainbowfish.

To increase fry survival rate, fish farms and breeders often make DIY fish traps that allow babies to escape but prevent the adults from passing through. Learn how to make two types of fry traps for your aquarium.

Wish you could add some greenery to your African cichlid tank? Try out these 10 easy plants that are tough enough to survive their nibbling and digging.