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Chrinex flickery8/3/2023 ![]() ![]() Its bell usually reaches about 16 cm in diameter but can grow up to 35 cm. ![]() Description Ĭnidocytes from Chironex fleckeri (400x magnification)Ĭhironex fleckeri is the largest of the cubozoans (collectively called box jellyfish), many of which may carry similarly toxic venom. The "hand of death" referring to the four appendages of C. He named it Chironex fleckeri, the name being derived from the centaur Chiron in Greek mythology, whose name is derived from the Latin form chiro meaning "hand", the Latin nex meaning "murder", and "fleckeri" in honour of its discoverer. Ronald Southcott in Adelaide, and on December 29, 1955, Southcott published his article introducing it as a new genus and species of lethal box jellyfish. One was an unidentified box-shaped jellyfish with groups of tentacles arising from each corner. "On January 20, 1955, when a 5-year-old boy died after being stung in shallow water at Cardwell, North Queensland, Flecker found three types of jellyfish. Taxonomy Ĭhironex fleckeri was named after North Queensland toxicologist and radiologist Doctor Hugo Flecker. The amount of venom in one animal is said to be enough to kill 60 adult humans. Being stung commonly results in excruciating pain, and if the sting area is significant, an untreated victim may die in two to five minutes. fleckeri has tentacles up to 3 m (10 ft) long covered with millions of cnidocytes which, on contact, release microscopic darts delivering an extremely powerful venom. It has been described as "the most lethal jellyfish in the world", with at least 64 known deaths in Australia from 1884 to 2021. ![]() Range of Chironex fleckeri as traditionally defined, but see text.Ĭhironex 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 Malaysia, the Philippines and Vietnam. ![]()
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