It inhabits reef flats, turtle grass beds, areas of coral fragments and deep reefs.

It is usually found on sand or beds of coral fragments.

The sand accumulated on the beach is rosy coloured, mainly formed from red coral fragments and shell debris.

Dark patches on the roof and walls and blackened coral fragments on its floor suggest the use of fire by ancient occupants.

Pseudobiceros hancockanus lives in warm seas, sometimes on coral reefs, other times among coral fragments or stones.

Calcarenite is formed through the cementing of calcareous algae, coral fragments and sand.

Divers transplant coral fragments from other reefs, attaching them to the ark's frame.

Restoration efforts have included attempts to reattach coral fragments that were broken off during hurricanes or by ships.

Attempts are also being made to conserve the coral by culturing coral fragments.

It is a low, dry, coral limestone island with a steep beach backed by a 6-8 meter high bank composed of large coral fragments.