"This individual seems to be missing almost all of it mantle brim as the result of a genetic phenomenon or nipping off by a predator. It is only present around the head end and is unusually pale in colour."
Comment from Richard Willan
This individual seems to be missing almost all of it mantle brim as the result of a genetic phenomenon or nipping off by a predator. It is only present around the head end and is unusually pale in colour.