DSC_5396 Ribbed mussel, or Pukanikani (Aulacomya maoriana) group in rock crevice attached by byssus threads. Brighton Beach *
DSC_6388 Ribbed mussel, or Pukanikani (Aulacomya maoriana) showing attachment by byssus threads. Exposed shells at low tide. Otago Harbour
DSC_2944 Ribbed mussel, or Pukanikani (Aulacomya maoriana) juveniles on underside of rock at low tide. Pudding Island, Otago Harbour *
