The Most Terrifying Photos From the Dark Depths of the Ocean

Portuguese Man O’ War

The Portuguese Man O’ War is found in the Atlantic, Indian and Pacific Oceans. It is commonly identified as a jellyfish, however, it is a siphonophore (a colonial organism). The stinging venom from the man o’ war leaves humans in severe pain and normally large red welts. The venom can also travel to the lymph nodes and cause symptoms similar to an allergic reaction. Other symptoms can include fever and shock. Not only can these species sting you while alive but detached tentacles can also cause just as painful of a sting.

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