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 *
DSC_9103 Little black mussels, or hauea (Xenostrobus neozelanicus) detail of individual mussel. Most visible at mid tide where it forms dense mats on semi protected, to exposed rocky shores. Muriwai Beach