Did you know that betta fish have the remarkable ability to see a spectrum of colors beyond human imagination, including light wavelengths? These vibrant aquatic creatures perceive a world filled with ...

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 ...

Let’s start with the classic goldfish! Goldfish are one of the most popular types of aquarium fish. While some goldfish are basic “fish-shaped,” the veiltail goldfish has long, gorgeous, flowing fins.