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Hydroid stage: No information.

Medusa stage: The umbrella may reach a height and diameter of 25 millimeter. Typical for this species is the yellow (saffron) gonads. It has four radial canals and approximately 64 tentacles.


It is often found on rocky substrate well below the tidal zone, but rarely deeper than 100 meters. It is also recorded on a variety of plants and shells of crustaceans or mollusks.


P. crocea is widespread in the North Atlantic Ocean.