Les Dinoflagellés - Ceratium gravidum

Gélatineux : Mneniopsis (crédit photo : Fabien Lombard)

Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)

Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)

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Illustration in synthesized images of the seasons of the ocean: a year from the Arctic - Animation Clement Fontana

Diatom genus Hemiaulus (Photo : Sophie Marro)

Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)

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Cténophores - Orgie de couleurs
Vagues de lumière iridescentes, à l'affût de proies, voici les cténophores.

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Animation of the biosphere obtained from the ocean color sensor SeaWiFS

Trimaran of INSU

The research vessel "Marion Dufresne"

Coccolithophore (Photo : Sophie Marro)

Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)

Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni

Préparation et mise à l'eau des mésocosmes sur le ponton de l'observatoire océanologique de Villefranche lors de l'expérience menée en rade de Villefranche en février 2013 (© L. Maugendre, LOV)

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Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)