How deep does the Hydrozoan live?

The Hydrozoan (Ptychogastria polaris) is typically found at 10–2500 m.

How big does the Hydrozoan get?

The Hydrozoan grows to about 2.2 cm.

Hydrozoan

Ptychogastria polaris

Group: Other
Typical depth: 10–2500 m
Max size: 2.2 cm

This small jelly lives on or near the seabed in the cold waters of both poles, from about ten metres down to 2,500 metres. Unusually for a medusa it can cling to the bottom with adhesive pads on its tentacles rather than swimming all the time.

Taxonomy: Animalia › Cnidaria › Hydrozoa › Trachymedusae › Ptychogastriidae › Ptychogastria

Species data via the World Register of Marine Species (WoRMS), AphiaID 117846.

FAQ

How deep does the Hydrozoan live?: The Hydrozoan (Ptychogastria polaris) is typically found at 10–2500 m.
How big does the Hydrozoan get?: The Hydrozoan grows to about 2.2 cm.