Irukandji jellyfish are small and extremely venomous jellyfish that inhabit marine waters of Australia and which are able to fire their stingers into their victim, causing symptoms collectively known as Irukandji syndrome. Their size is roughly a...

Irukandji syndrome is a condition induced by venomization by the sting of Carukia barnesi, a species of Irukandji jellyfish, and certain other box jellyfish. The condition is rarely fatal, but if immediate medical action is not taken, within only 20...