Last weekend Bela and I had an easy dive at Clifton Gardens, in Mosman, Sydney. This shallow, inner harbour site features a wide array of small marine life – octopus, cuttlefish, juvenile fish and nudibranchs. In particular, there were plenty of the species Aphelodoris varia. They were present in large numbers,

One of the more common fish seen at many Sydney divesites is the Eastern Blue Wrasse (commonly called a blue groper). At Oak Park, near Cronulla, these fish are so friendly that they will swim right up to divers. This one was actually getting in the way of my photos,

This image was made at Oak Park, near Cronulla in Sydney’s south. It features a shark that is common in Sydney waters, the Port Jackson shark. Often these guys are at least partly under rocks, so seeing it out in the open I took a wide berth around him

These little fish (Pygmy Leatherjackets) are about the size of a fifty cent coin, and are gemerally quite timid. This one is a juvenile, with more pronounced orange spots. Their basic defence strategy appears to be to look like some floating seaweed. Shiprock, in Sydney’s south, is a great