Tasmania once had vast swathes of giant kelp forests. A rapid collapse has occurred due to the prolonged warming influence of the east Australia current. The very last forests are now restricted to the cool waters off the Actaeon Islands.
Actaeon Islands, Tasmania
Nikon D810, 15mm f2.8, 1/125, f/20, ISO 400, two Ikelite DS161 strobes, Nauticam housingby Justin Gilligan