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Common Lionfish, Pterois volitans
Common Lionfish
(Pterois volitans)
Several species of lionfish can be found at Julian Rocks. Funnily enough most of the time it will be the Common Lionfish you see. The adults can be easily recognised by the line of white dots on its side. They love to just hang upside down mid-water and are a great photographic subject as you can get fairly close to the bigger ones.