Chapter 1
Life in the shadows
Chapter 2
Toxic oases and hot springs
Chapter 3
Under crushing pressure
Chapter 4
The technology of discovery
Ch 3 · Under crushing pressure
artiteacher Shark Tooth Graveyard
Shark teeth shine, shark teeth shine! Hidden in the deep since the dawn of time.
artiteacher Living 8,000 meters down, Pseudoliparis swirei uses TMAO molecules to survive pressure 800 times greater than at the surface
Quiz
What is the name of the chemical molecule that protects deep-sea fish proteins from collapsing under extreme pressure?
Quiz
In which deep-sea trench was the record-breaking Mariana snailfish discovered?
artiteacher This newly discovered Peniagone species eats organic debris falling to the deep seafloor.
Quiz
Which Norse god inspired the name of the horned sea cucumber discovered in the South Atlantic in 2025?
Fun Fact
Snailfish depth: Snailfish have been found swimming active and healthy at a depth of 8,336 meters.
Quiz
What makes xenophyophores highly unusual compared to most other single-celled organisms?
Quiz
Teeth from which legendary, extinct prehistoric shark were found in the deep-sea shark tooth graveyard?
Quiz
Near which islands in the Indian Ocean was the shark tooth graveyard discovered in 2026?