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The deep ocean remains one of Earth’s last great frontiers — a pitch-black, high-pressure world where sunlight never reaches ...
Dumbo Octopus. NOAA Okeanos Explorer, Public domain, via Wikimedia Commons One of the most intriguing animals in the Mariana Trench is the Dumbo Octopus. This deep-sea resident received the name due ...
Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living ...
The siphon isn’t only good for releasing waste. Octopuses can use it to squirt ink at predators and make a great escape [PDF]. It’s also a powerful steering tool.