Mesodinium rubrum (Lohmann, 1908)

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Mesodinium rubrum

Cell size 30 µm. Living sample. Moves with short jumps. Found in a bloom that coloured the water red.  

Photographer/artist Helena Höglander

Additional image information

Title
Mesodinium rubrum
Photographer/artist
Helena Höglander
Copyright holder
Helena Höglander
Institute
Stockholm university, Department of Ecology, Environment and Plant Sciences
Contributing organisation
HELCOM-PEG
Contributor
Helena Höglander
Caption
Cell size 30 µm. Living sample. Moves with short jumps. Found in a bloom that coloured the water red.  
Sampling date
2017-08-04
Geographic area
Baltic Sea - Northern Baltic proper
Location
Lidingö, Stockholm Inner Archipelago.
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
No preservation
Contrast enhancement
Phase contrast
Stain
No stain
Image galleries
HELCOM-PEG

Description

IDs in other systems
Morphology
Obligate autotroph (?) with many red chloroplasts
Other remarks
Bloom forming
Distribution: Worldwide
Life form
Solitary
Size
length 15-70 µm
Literature
Crawford, D. W., Purdie, D. A., Lockwood, A. P. M. & Weissman, P. 1997. Recurrent red-tides in Southampton water estuary caused by the phototrophic ciliate Mesodinium rubrum. Estuarine, Coastal and Shelf Science. 45: 799-812.
Lindholm, T. 1985. Mesodinium rubrum - a unique photosynthetic ciliate. Adv. Aqvat. Microbiol., 3: 1-48.
Lohmann, H. 1908. Untersuchungen zur Feststellungen des vollständigen Gehaltes des Meeres an Plankton. Wissensch. Meeresuntersuchungen, Abt. Kiel, NF., 10: 131-370.

Biovolumes

Species Mesodinium rubrum
Author (Lohmann) Hamburger & Buddenbrock 1911
Division Ciliophora
Class Litostomatea
Order HAPTORIDA
Trophy MX
Geometric shape 2 spheres * 5/8
Formula p/6*d^3*2*5/8
Size class 1 2 3 4 5 6 7 8 9
Unit cell cell cell cell cell cell cell cell cell
Size range 10-14 14-16 16-20 20-27 27-33 33-37 37-45 45-55 55-65
Diameter(d1), µm 12.5 15.0 17.5 22.5 30.0 35.0 40.0 50.0 60.0
No. of cells/counting unit 1 1 1 1 1 1 1 1 1
Calculated volume, µm3 1 278 2 208 3 506 7 451 14 130 22 438 33 493 65 417 113 040
Comment * * * * * * * * *
Calculated Carbon pg/counting unit 178 298 460 934 1 704 2 630 3 832 7 184 12 007

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

  • 2018-12-07 14:03:41 Helena_Hoglander_PEG - Updated media metadata for Mesodinium rubrum_5.jpg
  • 2018-12-07 14:00:40 Helena_Hoglander_PEG - Added media: Mesodinium rubrum_5.jpg
  • 2018-12-07 13:59:38 Helena_Hoglander_PEG - Updated media metadata for Mesodinium rubrum_4.jpg
  • 2018-12-07 13:58:29 Helena_Hoglander_PEG - Added media: Mesodinium rubrum_4.jpg
  • 2012-10-05 13:22:11 Ann-Turi Skjevik - Updated media metadata for Mesodinium rubrum_3.jpg
  • 2012-10-05 13:21:31 Ann-Turi Skjevik - Added media: Mesodinium rubrum_3.jpg
  • 2012-10-05 13:15:34 Ann-Turi Skjevik - Deleted media: Mesodinium rubrum_3.jpg
  • 2012-10-05 13:15:10 Ann-Turi Skjevik - Updated media metadata for Mesodinium rubrum_3.jpg
  • 2012-10-05 13:13:12 Ann-Turi Skjevik - Added media: Mesodinium rubrum_3.jpg
  • 2012-09-14 11:44:32 Ann-Turi Skjevik - Updated media metadata for Mesodinium rubrum_2.jpg
  • 2012-09-14 11:44:25 Ann-Turi Skjevik - Added media: Mesodinium rubrum_2.jpg