"The shell, which is spherical, has a pattern of dark (brown or reddish brown) markings like a spider’s web. The animal has a shelly operculum. Judging by the shape of its shell, this individual is juvenile."
Comment from Richard Willan
The shell, which is spherical, has a pattern of dark (brown or reddish brown) markings like a spider’s web. The animal has a shelly operculum. Judging by the shape of its shell, this individual is juvenile.