Lesley, John, Blue-ringed octopus / John Lesley. - 32 pages : colour illustrations ; 28 cm. - Australia's remarkable wildlife. . - Lesley, John. Australia's remarkable wildlife. . Includes index. The blue-ringed octopus looks tiny and harmless but beware. It's poison is deadly. The bright blue circles that appear on its body when it feels threatened are a warning sign to any living thing nearby. Get any closer and it will bite. Ages 7-11. ISBN: 9781925860993 Subjects--Topical Terms: Blue-ringed octopuses--Juvenile literature.Poisonous animals--Juvenile literature. Dewey Class. No.: 594.56