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The world's largest cuttlefish species, this mollusc can grow up to 50cm in mantle length, almost 11kg in weight and can live for two to three years. The cuttlefish have the ability to change the colour of their skin which they use during breeding and to avoid predators.
This mollusc is native to the southern coast of Australia and can be found all the way from Brisbane in Queensland to Shark Bay in Western Australia. They live on rosky reefs, seagrass beds and sand and mud seafloor with a depth of 100m.
This cuttlefish was spotted at the Sydney Aquarium, NSW. Such a fascinating creature and unless you get the chance to go diving this is an excellent way to view them to see all of their lovely detail.