The fish was discovered in the depths of the South China Sea. Dubbed Branchiostegus sanae, or the “Mononoke tilefish,” this deep-sea dweller lives at depths of up to 300 meters below the surface.

The sand tilefish can change colors and move rocks across the ocean floor. Find out more about the tricky fish in this episode of "What Sam Sees." Sam visits a rescue hospital for injured sea turtles.