Description: Microscopic unicellular alga growing endophytically in other algae.

Habitat: Littoral, between the cells of certain other algae such as: Polysiphonia elongata, P.fucoides, Sphacelaria racemosa, Rhodomela confervoides and Sphacelaria plumosa.

Distribution: On northern shores of the British Isle. Europe: Germany, Baltic Sea, Sweden, Norway and Iceland. Greenland. Atlantic coasts of North America: Canada.

Similar Species: Spongomorpha aeruginosa (=Chlorochytrium inclusum).

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

iNaturalist: Chlorochytrium dermatocolax at iNaturalist World Species Observations database.

WoRMS: Chlorochytrium dermatocolax at World Register of Marine Species.