DSC_9829 Hydroid (Obelia geniculata) deatail, growing on Bladder kelp (Macrocystis pyrifera) fronds. Aquarium Point, Otago Harbour *
DSC_9065 'Mussel's beard' hydroid (Amphisbetia bispinosa) a common encrusting species on green-lipped mussel. Muriwai Beach *
IMG_175911 'Mussel's beard' hydroid (Amphisbetia bispinosa) detail. A common encrusting species on green-lipped mussel. Brighton Beach *
