• Norwegian: korsmanet

Characteristics:

Hydroid stage: The hydranths are approximately 1 mm and hardly visible for scuba divers.

Medusa stage: The bell is large, the diameter may reach 30 cm. The shape is flattened, the height is approximately 1/8 of the diameter. The stomach, mouth and four radial canals form a large cross, nearly reaching the umbrella margin. There are a large number of marginal tentacles.

Habitat:

The hydroid is probably coastal. The medusa has been found on all depths, from the surface and down to a depth of 150 meters.

Distribution:

This species is considered bipolar, existing both in the Arctic as well as Antarctic. In the North Atlantic ocean it can be found as far south as the North Sea.