Did you know? Lionfish are venomous and can deliver a painful sting. They are considered an invasive species. [VID: Compilation footage of lionfish swimming in the ocean] | Nature | PBS

Pufferfish may look cute, but don’t let its appearance fool you -- Most pufferfish species are toxic! [VID: Compilation footage of pufferfish swimming in the ocean] | Nature | PBS

180K views · 1.5K reactions | Some animals (and humans!) are into some extreme eats, but none moreso than this octopus attemping to eat a fully inflated pufferfish! | National Geographic Animals | Facebook

Pufferfish are famous for inflating into spiky balls to deter predators, but they also have fused beak-like teeth for crushing shells, are incredibly toxic (some holding enough poison for 30 people!), are surprisingly bad swimmers that use their puff for defense, and can even close their eyes by retracting their eyeballs #underwater #ocean #oceanlife #sealife #marinelife #underwaterworld #underwaterphotography #diving #freediving #scubadiving #hawaii #hawaiilife #hawaiidiving #oahu #aloha #pacif