A multi-tentacled box-jellyfish present in tropical Australian waters and responsible for at least 63 deaths since first reported in 1883. Specimens have recently been discovered in Borneo, and are currently believed to be even more widespread in the Indo-Pacific.
A multi-tentacled box-jellyfish present throughout the Indo-Pacific, and currentlybelieved to be responsible for regular deaths in many Indo-Pacific countries, amounting to many thousands of deaths over time. Looks similar to Chironex, leading to some difficulties in identification.... chiropsalmus quadrigatus