Ranging from 12 to 22 centimetres, these tiny octopus are extremely venomous and found all over Australia. Here’s what to do if you see someone get bitten.
Articles on Blue-ringed octopus
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Top contributors
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Senior Lecturer in Chemistry, University of Birmingham
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Research Scientist in Marine Biology, University of Tasmania
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Senior Lecturer in Animal Ecology, University of the Sunshine Coast
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Senior Principal Research Scientist, Environment, CSIRO
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Toxinologist; Senior Research Fellow, Australian Venom Research Unit, The University of Melbourne
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Senior Principal Research Scientist, CSIRO
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Principal Lecturer in Wildlife Conservation, Nottingham Trent University
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Associate Professor and Marine Ecologist, Adelaide University
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Research Scientist, Oceans and Atmospheres, CSIRO