Aggressive little male fish from Indonesia turn black when angry to show their dominance, scientists discover. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Betta fish, also known as Siamese fighting fish, are known for their bright colors and beautiful fins. It’s important to provide your betta fish with a diet and environment suited to their needs.

Whether you’re considering getting a pet betta fish or you already have one, understanding the lifespan of betta fish will help you know what to expect. Knowing how to keep your betta fish healthy and ...