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, ...

From the striking rainbow colors of parrots in the rainforest to the brilliant flashes of yellows, oranges and blues in coral reefs, vibrantly colorful wildlife abounds in tropical ecosystems. But ...

Neon green, ultraviolet, rainbows — the variety of colors animals can make seem endless. Here's why they make this profusion of color. When you purchase through links on our site, we may earn an ...