Life in the shadows
Toxic oases and hot springs
Under crushing pressure
The technology of discovery

artiteacher Sort strange deep-sea creatures to discover how they survive in the darkest oceans.
artiteacher The Poseidon Squid
Ghost-pale skin, / Trident-hook claws, / Zero glowing lights!

artiteacher Animals use a chemical reaction involving luciferin to create bioluminescence, helping them find mates, lure prey, and scare predators in darkness.
What is the chemical molecule responsible for producing biological light in most deep-sea creatures?
At what depth does the ocean's midnight zone begin, where sunlight no longer penetrates?
What does the name Iskra mean, which was given to the newly discovered deep-sea glitter worm?
Glowing sharks: Some deep-sea sharks have glowing undersides to camouflage themselves against faint sunlight from above.
When did scientists officially recognize Poseidon's squid as a completely new family of squid?


