The water is pumped from a depth of 100 metres.

It does however only ever reach a depth of 5.2 metres.

It is known to dwell at a depth of 1953 metres.

The main shaft reached a depth of 82.5 metres in 1938.

The wreck is lying at a depth of between 175 and 189 metres.

Each zone has a depth of 6.1 metres - or 20 feet.

This species is found at depths of between 425 and 750 metres during the day.

It is deepest there, with a depth of 725 metres.

In the centre it has a depth of only one to two metres.

It can be found at depths of 3 to 35 metres.