A nudibranch, Roboastra gracilis photographed with a wet super macro lens in combination with a 100mm macro lens. A challenging optical combination with an extremely small depth of field requiring manual focus. It was a dusk dive and a current was running making for less than ideal conditions for super macro photography. Wakatobi Reefs, Sulawesi, Indonesia.
A Chromodoris willani nudibranch rears up to sense the subsea terrain ahead. Wakatobi National Park, Sulawesi, Indonesia.