Explore the last great frontier — from sunlit shallows to the deepest abyss.
From surface dwellers to abyssal monsters — discover them all.
The largest animal ever known. Its call travels across entire ocean basins.
Largest animal ever. Tongue weighs more than an elephant.
🌊 0-200mIncredibly intelligent with echolocation. Lives in pods of up to 30.
🌊 0-200mImpersonates 15+ species — lionfish, sea snakes, flatfish.
🌊 0-50mLives up to 500 years in icy Arctic depths.
🌓 200-2,200mProduces white sand by grinding rocks.
🌊 0-30mDinner-plate eyes. First filmed alive in 2012.
🌓 300-1,000mDives 1,200m+. Existed 100 million years.
🌓 0-1,200mBioluminescent lure in total darkness. Males fuse to females.
🌑 200-2,000mLives in the oxygen minimum zone. Ejects glowing mucus.
🌑 600-900mMouth can expand to swallow prey larger than itself.
🌑 500-3,000mProduces red bioluminescence — invisible to most deep-sea creatures.
🌑 200-5,000mTransparent head with tubular eyes that rotate to look upward.
🌑 400-2,500mA massive pill-bug relative that can go years without eating.
🌑 170-2,140mLargest teeth relative to body size of any fish. Fierce deep-sea predator.
🌑 500-5,000mStands on three elongated fins on the seafloor, facing into the current.
🌑 900-6,000mA type of sea cucumber that walks on tube feet across the abyssal plain.
🌑 1,000-6,000mDrag the submarine deeper to discover new creatures at every ocean layer!
Creatures you've encountered by exploring depths
From ancient diving bells to modern submersibles.
10 questions to test your marine mastery.