What makes box jellyfish's venom deadly?

Box jellyfish, a class that includes 50 described species, have tentacles covered in tiny biological booby traps known as cnidocysts. read more

One of the world’s most poisonous creatures, a box jellyfish, stung Shardlow in Australia in December, the Australian Broadcasting Corporation reported. After being pulled from the water with tentacles still wrapped around her legs, she amazingly lived through the attack. read more

The venom of box jellyfish can: can cause death. Death occurs mostly due to the heart failure that is caused by pore-forming toxins. A congestive heart failure occurs as the heart is unable to pump blood efficiently. As a result blood gets accumulated in the tissue and air spaces of the lungs due to increased pressure. read more

A tiny, clear, cube-shaped gelatinous sea creature is armed with one of the deadliest venoms on our planet. Take it from one who knows too well the pain and paralysis of the Box Jellyfish. I have suffered their otherworldly stings three times now, in my attempts to swim from Cuba to Florida. read more