This Fish Is More Toxic Than Cyanide Did you know that the blue ring octopus and the pufferfish share a deadly secret? They both carry venom, a potent toxin that's a thousand times more lethal than cyanide. This venom isn't just for show, it's a crucial part of their hunting strategy, especially when their prey is a feisty crab hiding in a rocky outcrop. So next time you see a blue ring octopus on YouTube or TikTok, remember, they're not just pretty to look at, they're also incredibly dangerous!

Fugu – it’s a fish with a heart-stopping poison, and a price tag to match. In 1997, ABC Tokyo bureau reporter Jill Colgan went in search of this Japanese delicacy that can be lethal if prepared by inexperienced hands. Watch Foreign Correspondent's 30th anniversary special this Thursday at 8pm on ABC TV. https://iview.abc.net.au/show/foreign-correspondent | ABC News