Bull kelp around the shore of Adams Island, Aucklands Group *
Kelp in waves. Derry Castle Reef, Enderby Island, Aucklands Group *
DSC_4584 Wakame, or Japanese kelp (Undaria pinnatifida) winter frond, showing prominent main axis and well-defined midrib. Highly valued as a food source in Japan and Korea, Undaria has been accidentally introduced around the world, probably through shipping. It first appeared in Wellington in 1987 and is now widespread, occuring as far south as the Snares. All Day Bay, Kakanui *