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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 ...

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 ...

You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

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 ...