DSC_3281 Opal top shell (Cantharidus opalus) dorsal and ventral view of shells on seaweed. Note the characteristic irridescent green interior. Tokerau Beach, Karikari Peninsula
DSC_0464 Opal top shell (Cantharidus opalus) lateral view of snail and shell. The interior of the shell is an irridescent green, with blue and red hues. Quarantine Point, Otago Harbour
DSC_3284 Two smaller, Red top shells (Micrelenchus purpureus) from Goat Island Marine Reserve, Leigh, to left of picture, and two larger Opal top shells (Cantharidus opalus) from Tokerau Beach, Karikari Peninsula, on seaweed. Note the characteristic irridescent interior of shells of both species.