Description
This Planaxis Sulcatus is a large ‘groovy’ snail with neat spirals in elegant grey or black is seen in groups on large boulders and seawalls. Commonly seen especially on our Southern shores. Usually in active at low tide. Features: 2-2.5cm. Shell with strong squarish spiral cords (Sulcus means ‘grooved’). Colour blackish to cream sometimes with white or yellowish spots. Shell opening wide, inner surface white sometimes with dark purple grooves. Operculum thin, horn-like material and dark coloured. Body pale, small foot with a pale underside dark mottled pattern above, long tentacles with dark bands.The females have a special brood pouch in the foot where the embryos are reared before they are released into the water.
