A lingcod, location unknown; blue lingcod fillets. 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 — ...

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' ...

However, trees aren't the only things that turn a brilliant shade of red in the fall in Utah — kokanee salmon do as well. In September and early October, kokanee salmon — which are a shade of silver ...

A colourful aquarium always catches the eye. Most people go for gold or blue fish, but red fish bring a special warmth and energy to the tank. Against green plants and clear water, they stand out ...

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 ...