[2] Unlike some other species of giant limpet, C. granatina is non-territorial, and feeds on a variety of different algae.

This species occurs in the Atlantic Ocean off South Africa and Angola, being common on the upper shore in the cool temperate biogeographical region of Benguela, from Lüderitz to the Cape of Good Hope.

It is a herbivore and feeds on a variety of different algae and does not hold and defend a territory.

Although adhering tightly to the rock when out of water, when the tide comes in and covers them, they move about, grazing on algae with their toothed radula.

[1] Limpets show great homing ability and tend to return to the same location when the tide goes out, often making a scar on the rock.