Dinophysis rotundata Claperède & Lachmann, 1859

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Dinophysis rotundata

Photographer/artist Regina Hansen

Additional image information

Title
Dinophysis rotundata
Photographer/artist
Regina Hansen
Copyright holder
Regina Hansen
Institute
Leibniz Institut für Ostseeforschung Warnemünde
Contributing organisation
HELCOM PEG
Contributor
Regina Hansen
Geographic area
Baltic Sea - Mecklenburger Bight
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Lugols iodine
Image galleries
HELCOM-PEG

Synonym names

  • Phalacroma rotundatum

Description

IDs in other systems
Tropic type
H
Other remarks
This species is nonphotosynthetic. It can ingest ciliates (Hansen 1991)
Distribution: Worldwide
Harmfulness, IOC
This species is included in the IOC-UNESCO Taxonomic Reference List of Harmful Micro Algae.
Life form
Solitary
Size
Length 36-56 µm, width 40-45 µm
Literature
Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her Majesty’s Stationery Office, London. 303 pp.
Hansen, P. J. 1991. Dinophysis - a planktonic dinoflagellate genus which can act both as prey and a predator of a ciliate. Mar. Ecol. Prog. Ser. 69: 201-204.
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.
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 Dinophysis rotundata
Author Claperède & Lachmann 1859
Division DINOPHYTA (PYRROPHYTA)
Class Dinophyceae
Order DINOPHYSALES
Trophy HT
Geometric shape flattened ellipsoid
Formula p/6*l*d1*d2
Size class 1 2 3 4
Unit cell cell cell cell
Size range 30-35 35-40 40-45 45-55
Length(l1), µm 32.5 37.0 43.0 50.0
Diameter(d1), µm 29.3 33.3 38.7 45.0
Diameter(d2), µm 8.1 9.3 10.8 12.5
No. of cells/counting unit 1 1 1 1
Calculated volume, µm3 4 042 5 964 9 362 14 719
Comment 3; 7; HD fact.=0,25 3; 7; HD fact.=0,25 3; 7; HD fact.=0,25 3; 7; HD fact.=0,25
Calculated Carbon pg/counting unit 526 758 1 158 1 770

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

  • 2015-04-08 11:49:07 Susanne Busch - Updated media metadata for Dinophysis rotundata_8.jpg
  • 2015-04-08 11:48:28 Susanne Busch - Added media: Dinophysis rotundata_8.jpg
  • 2015-04-08 11:48:01 Susanne Busch - Updated media metadata for Dinophysis rotundata_7.jpg
  • 2015-04-08 11:47:24 Susanne Busch - Added media: Dinophysis rotundata_7.jpg
  • 2014-09-26 13:32:28 Janina Kownacka - Updated media metadata for Dinophysis rotundata_6.jpg
  • 2014-09-26 13:31:16 Janina Kownacka - Added media: Dinophysis rotundata_6.jpg
  • 2014-09-26 13:30:36 Janina Kownacka - Updated media metadata for Dinophysis rotundata_5.jpg
  • 2014-09-26 13:29:11 Janina Kownacka - Updated media metadata for Dinophysis rotundata_5.jpg
  • 2014-09-26 13:26:22 Janina Kownacka - Added media: Dinophysis rotundata_5.jpg
  • 2014-06-02 10:49:42 Regina Hansen - Updated media metadata for Dinophysis rotundata_4.jpg
  • 2014-06-02 10:40:25 Regina Hansen - Updated media metadata for Dinophysis rotundata_4.jpg
  • 2014-06-02 10:39:21 Regina Hansen - Added media: Dinophysis rotundata_4.jpg
  • 2012-11-15 11:41:36 Ann-Turi Skjevik - Deleted media: Dinophysis rotundata_4.jpg
  • 2012-10-28 13:28:22 Bengt Karlson - Updated media metadata for Dinophysis rotundata_4.jpg
  • 2012-10-28 13:27:48 Bengt Karlson - Added media: Dinophysis rotundata_4.jpg
  • 2012-09-14 11:34:50 Ann-Turi Skjevik - Updated media metadata for Dinophysis rotundata_3.gif
  • 2012-09-14 11:34:41 Ann-Turi Skjevik - Added media: Dinophysis rotundata_3.gif
  • 2012-05-14 21:02:04 Bengt Karlson - Updated media metadata for Dinophysis rotundata_2.jpg
  • 2012-05-14 20:58:27 Bengt Karlson - Updated media metadata for Dinophysis rotundata_2.jpg
  • 2012-05-14 20:55:22 Bengt Karlson - Added media: Dinophysis rotundata_2.jpg
  • 2011-10-04 06:56:12 Bengt Karlson - Updated media metadata for Dinophysis rotundata_1.gif
  • 2011-10-03 21:22:30 Bengt Karlson - Updated media metadata for Dinophysis rotundata_1.gif
  • 2011-10-03 21:21:23 Bengt Karlson - Added media: Dinophysis rotundata_1.gif