Camouflage can be a critical skill when it comes to underwater survival. Here are our picks for the top eight underwater masters of camouflage.
On a night dive in the tropical Pacific, you see what appears to be an animated vermillion dinner napkin convulsing wildly. Congratulations, you’ve spotted a Spanish dancer.
Most of us have seen one of these tiny little creatures poking out from coral heads on a dive, but what exactly is a Christmas tree worm?