Breeding Angelfish Tips for Community Tanks Angelfish are a popular species of fish to keep in a community tank because they are relatively easy to care for and peaceful. They come in many colors, but you will want to avoid any that have red tips on the dorsal fin or spines on their back. These may be aggressive and could start fights with other fish that can lead to injury or death. What is the Best Size that a Community Tank Should Be? When selecting a pair of angelfish for your community tank, there are a number of factors to consider. First, the size of the fish in question. Angelfish can grow up to 12 inches long, although they are generally smaller than that. Next is their temperament. There are some varieties that are more aggressive than others and may not do well with other species in the tank such as tetras or cory cats. The goal is to find two fish with compatible temperaments which thrive in similar water conditions--something this article will help you do! The Importa