A colourful aquarium always catches the eye. Most people go for gold or blue fish, but red fish bring a special warmth and ...

Deep-diving fish have a problem: The only light that penetrates their watery environment is blue and green hardly enough of a palette for flashy color patterns. Now, a new study reveals these fishes' ...

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 ...

In a new study published in Ichthyological Research, an international team of researchers studied the organs that produce light in Vinciguerria mabahiss, a rare species of fish from the Red Sea. This ...