Acavus superbus

An egg of an Acavus snail, beside an adult shell for comparison.

Different views of the shell of the land snail, Acavus superbus

The large land snail, Acavus superbus, has a brightly coloured shell that, in adults, is often covered with green algae.

The 3 different colour forms of Acavus superbus, superbus (left), grevillei (centre) and roseolabiatus (right).

A village home garden near Neluwa in southwestern Sri Lanka, the habitat of Acavus haemastoma (image: D. Raheem, Natural History Museum).

The Bulutota hills, southwestern Sri Lanka. The foreground on the right shows where rainforest has been converted to tea small holdings (image: D. Raheem, Natural History Museum).