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The shell is low, and a dull brown on the outside. It has about 10 major ribs. The margin of the interior is broad and black, with a light pinkish brown centre. Juveniles are yellow with iridescent green flecks. Attains up to 100mm length.[3]
Protandrous hermaphrodite, changing to female at about 2 to 3 years. Consumes algae, and large individuals defend themselves by clamping down their shell edges on the predators. Commensal flatworm Notoplana patellarum lives in the gill cavity under the shell. Harvested for food in the Transkei (Eastern Cape).[3]
^ abcdBranch, G.M., Branch, M.L, Griffiths, C.L. and Beckley, L.E. (2010). Two Oceans: a guide to the marine life of southern Africa Struik Nature, Cape Town. ISBN978 1 77007 772 0
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