( Cystoseira ercogovicii )

/ / Marine Flora

Description Cystoseira ercogovicii has a discoid base with several short-spined axes; the axes have denticulate margins (1; 2). Long, primary ramifications with compact terminal receptacles are also present; the alga has a height of 100-400mm (1). C. ercogovicii has a yellow-brown colouration. There are approximately 58 species within the genus Cystoseira (3); the most similar species in appearance is C. compressa, the differences are the spined axes, compressed ramifications and denticulate margins (1). None of the species are listed under the IUCN Redlist (4); however, C. amentacea, C. mediterranea, C. sedoides, C. spinose and C. zosteroides are all listed under Appendix I of the BERN Convention (5).


C. ercogovicii is found in sheltered areas on rocky substrates from 0-50m (1).


C. ercogovicii is distributed in the Mediterranean and north-east Atlantic (1).


C. ercogovicii uses photosynthesis, as well as requiring various inorganic nutrients, such as carbon dioxide, phosphorus and fixed nitrogen (2).

Conservation Status

Not listed under the IUCN Redlist (4).


Description written by Ben Harvey (2009) (1)   Cabioc’H, J., Floc’H, J. & Le Toquin, A., 1992. Guide mes algues des mers d’Europe. Paris: Delachaux et Niestle. (2)   Graham, L.E. & Wilcox, L.W., 2000. Algae. New Jersey: Prentice-Hall Inc. (3)   Guiry, M.D. (2009). Cystoseira C. Agardh, 1820. In: Guiry, M.D. & Guiry, G.M. (2009). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=144126 on 2009-09-02 (4)   IUCN, 2009. IUCN Red List of Threatened Species. [Online] (2009.1) Available at: www.iucnredlist.org [Accessed 01 September 2009]. (5)   Europe, C.o., 2002. Convention on the conservation of European wildlife and natural habitats: Bern Convention. [Online] Available at: http://conventions.coe.int/Treaty/FR/Treaties/Html/104-1.htm [Accessed 02 September 2009].