What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their ...

Up until about a month ago, this poor little fish didn't have a friend in the world — and it showed. Confined inside a tiny cup of tepid water, tucked in the shadows on the back of a Walmart store ...

Which betta fish tank is best? Betta fish are a popular pet. Thanks to their bold, bright colors, feisty personalities and low cost, people all over the world are familiar with these small, unique ...