Betta fish, often called Siamese fighting fish, are among the most popular aquarium pets due to their vibrant colors and ...

When setting up a fish tank, you’ll also want an aquarium filter. While a betta fish can survive without a filter, they won’t thrive that way. Having a filter is essential to keeping toxins ...

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 ...