Ceratium horridum (P.T. Cleve) Gran, 1902

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Ceratium horridum

Photographer/artist Ann-Turi Skjevik

Additional image information

Title
Ceratium horridum
Photographer/artist
Ann-Turi Skjevik
Copyright holder
Ann-Turi Skjevik
Copyright stamp
Ann-Turi Skjevik
Institute
Swedish Meteorological and Hydrological Institute, oceanographic unit
Contributor
Malin Mohlin
Geographic area
Skagerrak - Swedish coast
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
No preservation
Contrast enhancement
DIC/Nomarski
Stain
No stain
Image galleries
Skagerrak-Kattegat

Synonym names

  • Neoceratium horridum

Description

IDs in other systems
Morphology
Open-ended horns and nearly straight apical horn
Other remarks
A very variable species. According to Reinecke (1973) this species should be named C. tenue
Distribution: Worldwide
Life form
Solitary
Size
Length 280-360 µm, width 40-50 µm
Literature
Hansen, G. & Larsen, J. 1992. Dinoflagellater i danske farvande. In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande. Havforskning fra Miljøstyrelsen, Copenhagen, p. 45-155.
Reinecke, P. 1973. Studies on the genus Ceratium Schrank, with reference to specimens collected in the Agulhas current 3. J. S: Afr. Bot., 39 (4): 277-374.
Steidinger, K. A. & Tangen, K. 1996. Dinoflagellates. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 387-584.

Biovolumes

Species Ceratium horridum
Author (P.T. Cleve) Gran 1902
Division DINOPHYTA (PYRROPHYTA)
Class Dinophyceae
Order GONYAULACALES
Trophy AU
Geometric shape girdle diameter
Formula 0.32437*d^3.0474
Size class 1 2 3
Unit cell cell cell
Size range width: 35-45 width: 45-55 width: 55-65
Diameter(d1), µm 40.0 50.0 60.0
No. of cells/counting unit 1 1 1
Calculated volume, µm3 24 726 48 807 85 070
Comment 5; 6 5; 6 5; 6
Calculated Carbon pg/counting unit 2 882 5 457 9 194

Source

Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I. and Niemkiewicz, E. 2006 Biovolumes and size-classes of phytoplankton in the Baltic Sea HELCOM Balt.Sea Environ. Proc. No. 106, 144pp. (PDF),
PEG_BVOL.zip

Change History

  • 2011-10-13 12:45:31 Malin Mohlin - Updated media metadata for Ceratium horridum_2.jpg
  • 2011-10-13 12:45:00 Malin Mohlin - Added media: Ceratium horridum_2.jpg