Rising Star

Back in the water, it’s dropped to a chilly 15 degrees and will be heading further down from there through winter and into spring. Despite the cold it is good to be diving again after too long on dry land and it was great to see all the usual undersea suspects again including this red […]

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Cave Dweller

This cave dwelling sea star caught my attention by being perfectly oriented, in the middle of a large limestone outcrop and being so contrasted to its surrounds. When many divers think of cave diving they imagine fresh water, sink holes, minimal life, impossible depths and meticulous diving logistics. When I think of cave diving I […]

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Primes

Prime numbers are common in plants but not so common with animals unless you are talking about starfish. The eleven-armed sea star, Coscinasterias muricata, is our largest starfish and very common here in South Australia. There were plenty of these starfish under Edithburgh Jetty but this guy was the only one nicely posing for a […]

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Sunlight and the Starfish

I’ve tried to work out who this guy is. It could be Echinaster varicolor or perhaps Pseudonepanthia troughtoni or even Nectria ocellata. I will leave that one up to the experts and concentrate on the shadows, the sunlight and the starfish. Photo: Robert Rath, ‘Star in the Spotlight’ 1/200 f/22 ISO800 15mm

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