Description
The bell is strongly arched and the top part is very transparent. In the centre of the bell you can see a transparent disc. Fine wrinkled lines run from this disc to the edge. The edge is provided with a dense row of tentacles. Aequora vitrina is in fact a medusa (of Campanulina acuminata). The nematocysts can cause a weak burn.

Size
The bell has a maximum diameter of ± 250 mm. The tentacles can reach the same length.

Colour
Transparent, the lines are white.

Habitat
Open water.

Distribution
North Atlantic ocean.