These gorgeous, long-tailed marine creatures—formerly known as Siamese fighting fish—have been famous for centuries for their aggressive nature, which breeders have exploited in order to fight them, ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

Many animals in the tropics are colorful for a number of reasons, including some you might not expect. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Colorful animals are more than a visual treat—how much or how little they stand out is often an evolutionary adaptation that helps a species survive. Animals like birds use color to increase their ...

In nature, the ability to change color can be key to survival. Vision is a very important sense in much of the animal kingdom, and many animals have come up with unique ways to use this sense to ...