Scientists have discovered a new venomous creature in the waters off Western Australias coast, according to The Guardian. Named after the scientist who captured the first-known specimen, the arm-long Keesingia gigas is an enormous member of the extremely venomous Irukandji jellyfish family. The tiny box jellyfish normally measure about a cubic centimetre (less than 0.1 cubic inch), and are infamous for being able to cause the eponymous Irukandji syndrome, which if untreated can lead to cardiac arrest and respiratory failure.