A rainbow-colored fish that’s considered among the world’s most beautiful in freshwater and found only in picturesque Appalachian streams has been listed as “endangered,” the U.S. Fish and Wildlife ...

Bignose unicornfish (Naso vlamingii) are an Indo-Pacific reef species known for their blue markings. They can quickly hide these markings if needed. “We are sharing those color stories to show all the ...

The newly named wrasse was previously mislabeled as another species. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Researchers have described a ...

Among aquarium enthusiasts who keep bettas, it is usually the male fish that are known as the "colorful ones." Oftentimes the males are favored over the females not only for their color, but also ...

From red to white to orange to blue, fish flesh can land almost anywhere on the color spectrum. What's behind this huge variation? A lot of things — from genetics to bile pigments. And parsing the ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. An oceanic rainbow surrounds visitors stepping up to the top floor ...