Aquatic Life Awareness

Habu Jellyfish

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.

What to do if you get stung by a jellyfish?

Blue-ringed Octopus

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.

Striped Eel Catfish

It has poisonous thorns and thorns of back billets, and when you got stabbed, you will have a severe pain.

Sea Urchin

It has a poison on long spines. Since thorns are more prone to penetration than other sea urchin, never touch it.

Moray Eel

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.

Portuguese Man O' War

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.