Sea slugs use bold, bright colors under sunlight to warn predators of their toxic traits. These colors are easier for fish to ...

What are the 10 most colorful animals? We've done the research! Jump in to read about which are the ultimate colorful animals ...

Covered in a bony carapace, this fish has a square, rigid body that gives it a distinctive appearance. Its body is often ...

CHARLESTON, W.V.— In response to a decade of action from conservation groups, the U.S. Fish and Wildlife Service today finalized critical habitat protection for the candy darter, a small, brightly ...

Color is important to fish. It’s used for camouflage, mate selection and defense. While easily seen in tropical aquarium fish ...