Overview

Comprehensive Description

Dinophysis tripos is an armoured, marine, planktonic dinoflagellate. Cells are very distinctive thanks to the presence of two posterior projections. The ventral projection is longer than the dorsal one. The projections are often toothed (i.e. they have small spines on the tip). Like other Dinophysis species they have a large hypotheca and a small cap like epitheca. Cells are laterally compressed. The left sulcal list (LSL) is large and often reticulated. D. tripos is a photosynthetic species with chloroplasts (Larsen & Moestrup 1992).
  • Larsen, J. and O. Moestrup 1992. Potentially toxic phytoplankton. 2. Genus Dinophysis (Dinophyceae). In: J.A. Lindley (ed), ICES Identification Leaflets for Plankton. ICES, Copenhagen, 180: 1-12.
  • Lee J.S., lgarashi T., Fraga S., Dahl E., Hovgaard P. & Yasumoto T. 1989. Determination of diarrhetic shellfish toxins in various dinoflagellate species. J. Appl. Phycol. 1: 147-152.
  • Moita, M.T. and M.A. de M. Sampayo 1993. Are there cysts in the genus Dinophysis? In: T.J. Smayda and Y. Shimizu (eds), Toxic Phytoplankton Blooms in the Sea, Elsevier, Amsterdam: 153-157.
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Source: Harmful Phytoplankton Project

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Distribution

Tends not to form blooms. Widely distributed around the world though most abundant in warmer regions. Has been identified in both the Mediterranean and the North Sea.
  • Larsen, J. and O. Moestrup 1992. Potentially toxic phytoplankton. 2. Genus Dinophysis (Dinophyceae). In: J.A. Lindley (ed), ICES Identification Leaflets for Plankton. ICES, Copenhagen, 180: 1-12.
  • Lee J.S., lgarashi T., Fraga S., Dahl E., Hovgaard P. & Yasumoto T. 1989. Determination of diarrhetic shellfish toxins in various dinoflagellate species. J. Appl. Phycol. 1: 147-152.
  • Moita, M.T. and M.A. de M. Sampayo 1993. Are there cysts in the genus Dinophysis? In: T.J. Smayda and Y. Shimizu (eds), Toxic Phytoplankton Blooms in the Sea, Elsevier, Amsterdam: 153-157.
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Source: Harmful Phytoplankton Project

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Physical Description

Type Information

Type locality: Mediterranean Sea: Gulf of Marseille, France
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Source: AlgaeBase

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Ecology

Habitat

Depth range based on 630 specimens in 1 taxon.
Water temperature and chemistry ranges based on 177 samples.

Environmental ranges
  Depth range (m): 0 - 470
  Temperature range (°C): 12.759 - 20.934
  Nitrate (umol/L): 1.717 - 8.908
  Salinity (PPS): 34.812 - 37.775
  Oxygen (ml/l): 4.709 - 6.124
  Phosphate (umol/l): 0.210 - 1.452
  Silicate (umol/l): 1.595 - 9.519

Graphical representation

Depth range (m): 0 - 470

Temperature range (°C): 12.759 - 20.934

Nitrate (umol/L): 1.717 - 8.908

Salinity (PPS): 34.812 - 37.775

Oxygen (ml/l): 4.709 - 6.124

Phosphate (umol/l): 0.210 - 1.452

Silicate (umol/l): 1.595 - 9.519
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Dinophysis tripos

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Dinophysis tripos

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 5
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Conservation

Management

Toxicity

Producer of dinophysistoxin-1 (DTX1) (Lee et al. 1989).
  • Larsen, J. and O. Moestrup 1992. Potentially toxic phytoplankton. 2. Genus Dinophysis (Dinophyceae). In: J.A. Lindley (ed), ICES Identification Leaflets for Plankton. ICES, Copenhagen, 180: 1-12.
  • Lee J.S., lgarashi T., Fraga S., Dahl E., Hovgaard P. & Yasumoto T. 1989. Determination of diarrhetic shellfish toxins in various dinoflagellate species. J. Appl. Phycol. 1: 147-152.
  • Moita, M.T. and M.A. de M. Sampayo 1993. Are there cysts in the genus Dinophysis? In: T.J. Smayda and Y. Shimizu (eds), Toxic Phytoplankton Blooms in the Sea, Elsevier, Amsterdam: 153-157.
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© University of Liverpool

Source: Harmful Phytoplankton Project

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