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 ...

One fish, two fish. Green fish, blue fish. Outer teeth, inner teeth. These fish grow a lot of teeth. By Annie Roth If there is one place you don’t want to stick your finger, it’s the mouth of a ...

A fish called the Pacific lingcod has one of nature's toothiest mouths, with about 555 teeth lining its two sets of jaws. Now, a new study suggests that these fish lose teeth as fast as they grow them ...

From ruby red tuna to turquoise lingcod, the fish we eat can span the color spectrum. Flesh color can also tell us something about where a fish... From red to white to orange to blue, fish flesh can ...