IMG_1754 Etched chiton, or papatua (Onithochiton neglectus subantarcticus) detail of row of eyes. Chitons are the only molluscs that have living tissue within their hard shell. Unlike the eyes of almost every other living creature, the eyes of chitons are made of the mineral argonite, a crystal form of calcium carbonate, which forms the rest of their shell. Brighton Beach *
DSC_4517 Chiton, or papatua (Rhyssoplax aerea) colour variations. Usually readily identified by its striking colouration. Restricted to rocky substrate in shallow water, usually underneath, or on the sides of large boulders. Uncommon. All Day Bay, Kakanui.
DSC_4413 Red girdle chiton (Plaxiphora biramosa) a large, elongate and flat chiton of open rock surfaces, on wave exposed coasts. Brighton Beach *
