On a remote island in Brazil, the sun began to set, and a color-changing creature began its nightly transformation. Its skin shifted hues, its pattern morphed but its green bones stayed the same.

An “iridescent” catfish torpedoed through a rushing blackwater river in Brazil, navigating dead leaves and wood. Little did it know it was soon to be discovered as a new species. Once the “large” fish ...

A group of green-skinned creatures gathered at the edges of a pond-like body of water on a mountain in China. They began calling out, in search of a mate. Little did the creatures know: They were ...

Mikey's golden pygmygobies were "typically found deep within caves" of offshore coral reefs, the study said. The fish were seen swimming "along the surface of cave roofs and walls in small groups of ...

As night settled across a forest in South America, a color-changing creature perched in the canopy and called out. The "high-pitched" whistle-like sound caught the attention of nearby scientists - and ...

Scientists found a “miniaturized,” color-changing creature mating near a hotel and discovered a new species, a study said. Screengrab from YouTube video shared by Kurts Travel Videos Walking through a ...

Researchers found a new species of “robust” and color-changing tree frogs in China, according to a new study. Photo by Guohua Yu via Zoosystematics and Evolution A group of green-skinned creatures ...