Freshwater Fish Compatibility Charts
Whether you're thinking of adding a fish to an existing freshwater aquarium or planning for a completely new freshwater aquarium, there are plenty of aquatic life options to choose from: colorful Discus, gentle Swordtails, Koi, Angelfish, Eels, Barbs, Sharks and so many more.
However, there are several factors that determine whether or not each species is compatible or not, including:
- Water temperature
- Activity level
- pH levels
In order to maintain a happy, healthy, friendly freshwater fish community, it's important to ensure compatibility. Use these handy guides to help you choose fish that can live together in harmony.