Toxic jellyfish that inhabits Okinawa and other areas. Vinegar is also effective as first aid (only for hub jellyfish). As a preventive measure, please reduce the exposure of the skin. © Okinawa Prefecture Sanitary Environment Laboratory
As a first aid, remove the jellyfish tentacles with a towel or the like, wash in seawater instead of fresh water, then cool with cold water or ice. Depending on the situation, steroid ointment, antihistamine ointment, etc. are applied to suppress inflammation. Please go to the dermatology if pain is intense or swelling does not come.
It has the same great poison as puffer fish. Although it is an octopus in the warm sea such as Okinawa, it is witnessed also in Kanto etc. in recent years.
It has poisonous thorns and thorns of back billets, and when you got stabbed, you will have a severe pain.
It has a poison on long spines. Since thorns are more prone to penetration than other sea urchin, never touch it.
It is safe if you don't stimulate it. But it is dangerous if you are bitten because of sharpe teeth and the strong jaw.
Electric jellyfish featuring long tentacles. When you got stabbed, you get a welt. Be careful as you may be striking on the sandy beach.
It lives in shallow water around the world. It has poison at the tail end.
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