Cephalopod

Chambered nautilus

Nautilus pompilius

PacificAtlanticIndianSouthernArctic Found in 2 oceans

Deep reefs of the Indo-Pacific, from the Philippines to Australia

Depth

100 to 700 m

Size

Shell up to about 22 cm

Diet

Carrion, crustaceans

Zone

Twilight zone · 200 – 1,000 m

Key facts

• Its shell is divided into gas-filled chambers that regulate its buoyancy.
• It can have up to about 90 tentacles, without suckers.
• Beyond about 800 m, the pressure makes its shell implode.

Verified sources

1. SeaLifeBase, Nautilus pompilius
2. Wikipedia, Nautilus
3. SeaLifeBase, Nautilus pompilius

In the game: To observe

In the same zone

Firefly squidWatasenia scintillans Glass squidFamily Cranchiidae Glass octopusVitreledonella richardi Dana octopus squidTaningia danae Glowing-arm squidOctopoteuthis deletron Ram’s horn squidSpirula spirula