Wednesday, August 13, 2014

Australia: new species of giant poisonous jellyfish discovery

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A new species of giant and extremely venomous jellyfish was discovered on the northwest coast of Australia. The discovery left scientists puzzled as the new species of jellyfish have tentacles.

The Keesingia gigas is one of the two new species of Irukandji jellyfish recently discovered by the Director of Marine Stinger Advisory Services, Lisa-ann Gershwin. While the Irukandji have typically only mesudas the size of a fingernail, the gigas Keesingia is the size of a human arm and it is believed that can cause Irukandji syndrome, which is potentially deadly. This syndrome can cause pain, nausea, vomiting and in the most extreme cases strokes and heart failure, reports the Guardian.

According to Gershwin, the species had been photographed in the years 1980, but no specimen was captured until 2013. The specimen was collected by the marine scientist John Keesing, near the Bay of sharks.

One of the particularities of this Jellyfish is not having tentacles. "The jellyfish have tentacles. It is through them that they take the food. The tentacles are where concentrate their poisonous cells, "explains Lisa-ann Gershwin. The scientist indicates that this new species can hide their tentacles as a form of Defense, as some bioluminescent jellyfish, that extend their tentacles fluorescent to distract predators. However, there is no evidence that any jellyfish Irukandji has this capability.

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