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 ...

Many mammals have fur the color of brown and black. Why don't they have more exotic colors, like purple and neon pink?

Animals are living color. Wasps buzz with painted warnings. Birds shimmer their iridescent desires. Fish hide from predators with body colors that dapple like light across a rippling pond. And all ...

Toxic or poisonous animals, like frogs, have long presented an evolutionary dilemma: How did they become so bright, without predators spotting and devouring them? Poison frogs across Central and South ...

Some of the world’s most spectacularly colorful animals are amphibians — especially frogs and salamanders. Many of these colorful animals are toxic or have developed some sort of chemical defense, and ...

Mantis shrimp appear in a variety of colors, from shades of browns to bright neon colors, serving as both a warning to predators and attraction to mates. (Roy L. Caldwell/UC Berkeley-NSF photo) Study ...