Common Kingslayer

Malo kingi or the common kingslayer is an Irukandji jellyfish named after victim Robert King, a tourist from the United States swimming off Port Douglas, Queensland, who died from its sting. It was first described to science in 2007, and is one of four species in genus Malo. It has some of the world's most potent venom, even though it is no bigger than a human thumbnail. As an Irukandji, it can cause Irukandji syndrome, characterized by severe pain, vomiting, and rapid rise in blood pressure.
== Description ==
Malo Kingi are Irukandji jellyfish. They can be halo banded or non-halo banded. Halo banded Malo Kingi have halo like rings that encircle their tentacles. They are bell shaped with light purple nematocyst warts. The bell is transparent, colorless and has height of 31mm. They also have a frown-shaped rhopaliar niche ostium, perradial lappets that have two rows of warts, palmate velarial canals, and two median lensed eyes. Its primary tentacular cnidae is club shaped. The Rhopaliar Horns are short, broad, and curved.
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