Aspect: When not covered in various extraneous growths, its burly (hence tuberosa) solid pale shell is smooth and shiny and features waves of dark and light brown lines. Population: Common, but diificult to spot especially during the day when it hides under the sand. Notable feature: The outer lip surrounding the opening base of the shell carries radailly disposed dark bars. Environment: One of the specimens featured here was photographed on the Franjack wreck at a depth of around 20 metres. Behaviour: Surprisingly feeds on Sea Urchins and Sand Dollars.
