Description: Thallus filamentous usually up to 25 cms long and branched. Grows only by division of the apical cell which gives rise to 2 or 3 branches from the top of each cell and cell-elongation.

Habitat: Deep rock pools in the lower littoral and sublittoral.

Distribution: Generally around the shores of the British Isles. Europe: Mediterranean, Portugal, Atlantic coasts of Spain and France.

Key Identification Features:

• Easily identified, what appears to be a stipe is infact one long cell which branches at the top.

Distribution Map from NBN: Cladophora pellucida at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Cladophora pellucida at iNaturalist World Species Observations database.

WoRMS: Cladophora pellucida at World Register of Marine Species.