Molluscs

Nautilus

Nautilus

Living

Living individuals or members of this group exist today. This does not mean they are safe from extinction.

Nautiluses are shelled cephalopods. This account describes the chambered nautilus (Nautilus pompilius), which lives near Indo-Pacific reef slopes and uses scent to locate food.

Nautilus pompilius, the representative described in this account.

Nautilus pompilius, the representative described in this account.

Hans Hillewaert · CC BY-SA

At a glance

Location
Chambered nautiluses inhabit waters near Indo-Pacific islands and reef slopes.
Habitat
Coast, Coral reef
Diet
Carnivore
Food
Crustaceans, fish and carrion provide food.

Classification

Common name
Nautilus
Browse group
Molluscs
Scientific name or taxon
Nautilus
Source classification
Cephalopoda

Three things to know

  • Its shell contains chambers.
  • Numerous tentacles surround the mouth.
  • It uses scent to locate food.

Habitat and range

Chambered nautiluses inhabit waters near Indo-Pacific islands and reef slopes. They often occupy deeper water and may move shallower at night.

Appearance and adaptations

A coiled outer shell contains a series of chambers, with the animal occupying the newest outer chamber. Numerous tentacles surround the head and help explore the surroundings.

Diet and behaviour

Crustaceans, fish and carrion provide food. A strong sense of smell assists searching in dim water. Water expelled through the funnel produces jet propulsion.

Sources

Explore molluscs

Browse all molluscs