Rhodomonas cf. marina (Dangeard) Lemmermann

A-D = Cells in culture (arrow=pyrenoid) (DIC); E-H = Fieldmaterial fixed in glutaraldehyde (epifluorescence micropscopy), E-G=Blue filter combination (arrow=red body in the posterior), H=UV-filter combination, Nucleus (DAPI); I-M = Cells in Lugol (DIC)

Synonym(s): Cryptomonas marina Dangeard 1892

Life-form: Solitary

Size: Length 16-30 µm, ventral to dorsal width 10-13 µm

Resting spore:

Note: According to Novarino (1991) the name Rhodomonas should be avoided. Common in spring in the brackish water layer of Gullmarsfjorden

Distinctive features:

Similar species:


Hill, D. R. A. 1992b. Rhodomonas marina (Dangeard) Lemmermann (Cryptophyceae). Baltic Sea Identification Sheet No. 10. Ann. Bot. Fennici. 169-170.

Hill, D. R. A. & Wetherbee, R. 1989. A reappraisal of the genus Rhodomonas (Cryptophyceae). Phycologia. 28:143-148.

Novarino, G. 1991. Observations on Rhinomonas reticulata comb. nov. and R. reticulata var. eliniana var. nov. (Cryptophyceae), with comments on the genera Pyrenomonas and Rhodomonas. Nord. J. Bot. 11: 243-252.

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Last modified on 15 September, 2006

Swedish Meteorological and Hydrological Institute


Department of Marine Ecology, Göteborg University, Sweden