Carukia barnesi

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Carukia barnesi

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Carukia barnesi is a small and extremely venomous jellyfish found near Australia. 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. It has four contractile tentacles, one extending from each bottom "corner" of its bell, ranging in length from 5 to 50 centimetres (2.0 to 19.7 in). The species was discovered by Dr. Jack Barnes of Cairns, Australia, who, while on an exploration mission aimed at determining the reason for Irukandji syndrome, allowed himself to be stung by the jellyfish, while his 14-year-old son and a lifeguard looked on. The jellyfish was later named after him. Carukia barnesi is a soft-bodied marine organism. This species falls within the Medusozoa subphylum and the Cubozoa class. It is a type of "box jellyfish" that is known for producing potent venom and is known for inflicting the Irukandji syndrome. Threat to Humans: The Irukandji syndrome was first discovered after a group of swimmers were stung in the open water near North Queensland, Australia. Victims of the sting reported severe symptoms of muscle aches, back pain, nausea, headaches, chest and abdominal pains, sweating, high blood pressure and difficulty breathing. Intravenous administration of pethidine is used to treat patients with this syndrome. Most reported incidents have been localized to Australia during the warm summer season. Due to the small size of C. barnesi (approximately 20 mm in diameter and 25 mm in depth of the bell), they often go undetected in the open water.

English Wikipedia http://en.wikipedia.org/wiki/Carukia_barnesi

Spanish wikipedia http://es.wikipedia.org/wiki/Carukia_barnesi