Delta Betta Fish. Popular Fish. Isolated On White Background. Royalty-Free Stock Photo

Delta betta fish are a stunning subspecies of the common betta fish. These fish are unique because they feature a split tail in the shape of a half-moon. As with other betta fish, delta bettas come in a variety of colors and patterns. They tend to be less aggressive than other common species, and also less prone to diseases. Delta betta fish make great pets as they are easy to take care of and can brighten up any aquarium.