Les Dinoflagellés - Ceratium gravidum

The various components of a profiling float type PROVOR

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The various components of a profiling float type PROVOR

Instrumented buoy (Photo : David Luquet)

Rosette for collecting seawater samples

Diatom genus Hemiaulus (Photo : Sophie Marro)

Ctenaria Eucharis multicornis (Photo : Fabien Lombard)

Les mésocosmes attirent les poissons ! (© Stareso)

Instrumented buoy (Photo : David Luquet)

Jellyfish Pelagia noctilica (Photo : Fabien Lombard)

Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)

Squid larva (Photo : Fabien Lombard)

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

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)

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

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The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.

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Appendiculaires - Ils vivent dans leurs filets
L’appendiculaire, proche ancêtre des vertébrés, fabrique des logettes aux filtres délicats à la fois résidence et filet de pêche.

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Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.

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Drifting profiling floats in the Atlantic

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Phronimes - Monstres des tonneaux
Recyclant salpes et méduses, la femelle phronime construit des tonneaux gélatineux et y élève sa progéniture.