Life below the inner Hebridean Seas is as varied as that above. The maelstrom that is the Corryvreckan is exacerbated by the spring tides.
The movements of the tides are critical to these animals as they filter plankton from the water streaming past. But corals have enemies; a sea slug. This miniature predator eats soft coral polyps. The dead-man’s fingers, however, have a neat trick!