DSC_3885 Southern tuatua (Paphies donacina) live animals showing an atypical red-tipped siphon, and the more typical siphon coloured animal below. Shell creamy-white, not greyish as in the Northern tuatua (P. subtriangulata). Shallowly buried in clean sand on open beaches. Low intertidal, down to 5-10m. Cloudy Bay, Marlborough *
DSC_5295 Northern tuatua (Paphies subtriangulata) from Pakiri on left, note shell is greyish, and not creamy-white as in the Southern tuatua (P. donacina) from Golden Bay on right. Shallowly buried in clean sand on open beaches, from low intertidal, down to 5-10m *
