DSC_3807 Bull kelp, or rimurapa (Durvillaea willana) showing characteristic dark chocolate coloured, stalked blades, which lack bouyant internal structure, so do not float. Low intertidal and upper subtidal zones. Brighton Beach *
DSC_6071 Bull kelp, or rimurapa (Durvillaea willana) detail of holdfasts. Showing characteristic dark chocolate coloured, stalked blades, which lack bouyant internal structure, so do not float. Low intertidal and upper subtidal zones. Brighton Beach
DSC_7055 Bull kelp, or rimurapa (Durvillaea willana) cut cross section through frond, showing internal tissue. The characteristic dark chocolate coloured, stalked blades, lack bouyant internal structure, so do not float. Low intertidal and upper subtidal zones. Brighton Beach
