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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.
Chironex fleckeri, commonly known as the Australian box jelly, and nicknamed the sea wasp, is a species of extremely venomous box jellyfish found in coastal waters from northern Australia and New Guinea to Indonesia, Cambodia, Malaysia and Singapore, the Philippines and Vietnam. [1] It has been described as "the most lethal jellyfish in the ...
Although unspecified species of box jellyfish have been called in newspapers "the world's most venomous creature" [41] and the deadliest creature in the sea, [42] only a few species in the class have been confirmed to be involved in human deaths; some species are not harmful to humans, possibly delivering a sting that is no more than painful. [9]
The taxonomy of the Cyanea species is not fully agreed upon; some zoologists have suggested that all species within the genus should be treated as one. Two distinct taxa, however, occur together in at least the eastern North Atlantic, with the blue jellyfish (Cyanea lamarckii Péron & Lesueur, 1810) differing in color (blue, not red) and smaller size (10–20 cm [3 + 7 ⁄ 8 – 7 + 7 ⁄ 8 ...
Irukandji are rarely found outside Queensland, the Northern Territory and Western Australia.Between 1985 and 1997 from cases of Irukandji sting where location was recorded, there were 83.4% in Queensland, 9.1% in the Northern Territory, and 7.5% in Western Australia; 81.5% of cases occurred in the afternoon. [3]
Malo kingi or the common kingslayer is a species of Irukandji jellyfish. It was first described to science in 2007, and is one of four species in the genus Malo. [ 1] It has one of the world's most potent venoms, even though it is no bigger than a human thumbnail. [ 2] As an Irukandji, it can cause Irukandji syndrome, characterized by severe ...
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 ] Those stung may experience severe or even excruciating pain.
Beaches of the Northern Territory, Australia - Venomous Jellyfish. Box jellyfish are the most dangerous and venomous jellyfish in the world, growing up to 11 inches wide with 60 tentacles that can ...