Betta fish come in many colors including steel blue, royal blue, and turquoise blue. Cichlids also come in quite a diverse range of colors. Some blue varieties include the Peacock Cichlid ...

This species, with its many varieties, is the most common betta fish found in aquariums and pet stores, but it has more than 70 relatives, including the endangered Betta miniopinna and Betta ...

While not completely within your control, you can support your betta fish's longevity by choosing the right aquarium environment, tankmates, and diet.