Tuhua (Mayor Island) is a collapsed volcano on the edge of the continental shelf.
The eroded volcanic forms extend beneath the water, creating a network of lava columns, caves and angular boulders. A dense canopy of kelp and other seaweeds covers the crevices, giving shelter to many colourful organisms.
At Orongatea Bay there is a shallow rock platform suitable for snorkelling. It is enlivened by bubbles from underwater hot springs. Offshore the bottom drops away to 50 m at the North East Arising. This drop off is close to the continental shelf and reveals the typical depth related patterns of plant and animal distribution.
The marine reserve has mixture of shallow reef and deepwater environments. Warm currents bring subtropical visitors, and there are dense schools of kingfish and pink and blue maomao, among many other species.
Contacts & Resources
Original data record from World Database on Protected Areas (WDPA) via ProtectedPlanet.net [view record on site].