A multi-tentacled box-jellyfish present on the eastern coastline of tropical America. It has caused at least one documented death in Texas, U.S.A.
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