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Irukandji syndrome is a condition that results from envenomation by certain box jellyfish. [4] In rare instances the sting may result in cardiac arrest and death. [ 5 ] The most common jellyfish involved is the Carukia barnesi , a species of Irukandji jellyfish . [ 4 ]
Stings can result in Irukandji syndrome, and this species is commonly known as Irukandji jellyfish, although this name does not distinguish it from other Irukandji jellyfish such as Malo kingi. A mature C. barnesi's bell is only 12 by 30 millimetres (0.47 by 1.18 in) in height.
In 1961, Barnes confirmed the cause of the Irukandji syndrome was a sting from a small box jellyfish: the Irukandji jellyfish, which can fire venom-filled stingers out of its body and into passing victims. To prove that the jellyfish was the cause of the syndrome, he captured one and deliberately stung himself, his 9-year-old son and a local ...
A scale illustration of an Irukandji jellyfish and its tentacles.Below the jelly's medusa bell are two polyp forms of the species.. Irukandji jellyfish are very small, with a bell about 5 millimetres (0.20 in) to 25 millimetres (0.98 in) wide and four long tentacles, which range in length from just a few centimetres up to 1 metre (3.3 ft) in length.
The known "Irukandji" jellies include species: Malo Maxima, Malo Kingi, Carukia shinju, Carybdea xaymacana, Alatina mordens, Gerongia rikinae, and Morbakka fenneri. Malo jellies release venom from the tips of the nematocyst. The venom from a single sting can take 20–60 minutes to induce "Irukandji syndrome". [5]
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The sting of all Irukandji Jellyfish is believed to cause Irukandji Syndrome and can be potentially fatal, however the sting of the Malo maxima is the most dangerous of the Malo species. Only two types of species have the venom to cause Irukandji syndrome, the Irukandji Jellyfish and the Box Jelly. The Box Jelly is extremely more venomous than ...
March 21 (3/21) is World Down Syndrome Day, chosen because people with Down Syndrome have three copies of the 21st chromosome instead of the usual two. "Gabe lives his life to the fullest," Nick ...