Upside-down jellyfish on the ocean flooring launch venom-filled blobs of mucus, which may sting close by swimmers, new analysis reveals.
The jellyfish, formally referred to as Cassiopea xamachana, have a bizarre, plant-like look and so they usually are caught to the ocean’s flooring.
In accordance with the Monterey Bay Aquarium, these jellyfish are usually discovered dwelling within the mangrove forests and lagoons of southern Florida, Hawaii, the Indo-Pacific Ocean and the Caribbean.
When snorkelers are in these areas, they generally develop an odd itching sensation.
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“You begin to really feel this tingling … Extra than simply itchiness, like when an itch turns right into a painful discomfort,” Cheryl Ames, a museum analysis affiliate and an affiliate professor of utilized marine biology at Tohoku College in Japan, defined to Reside Science.
Ames and her colleagues consider they’ve found out why this occurs; their work was printed as we speak within the journal Nature Communications Biology.
The jellyfish deploy mobile bombs armed with stinging cells known as nematocytes, based on their research. These bombs launch a skin-irritating venom after they make contact with a passing swimmer.
As for easy methods to keep away from being stung, researchers are nonetheless investigating whether or not the jellies launch the venom extra at sure occasions of the day or in response to sure varieties of disturbances.
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