Les Diatomées - Bacillaria - mon océan et moi

Mollusques (crédit photo : Fabien Lombard)

Mollusk (Photo : Fabien Lombard)

Vue sous-marine d'un groupe de mésocosmes (© Stareso)

The research vessel "Marion Dufresne"

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Siphonophores - The longest animals on the planet
Cousins of corals, siphonophores are colonies of specialized individuals called zoids. Some catch and digest their prey, others swim, or lay eggs or sperm.

Dinoflagellate Ceratium tripos (Photo : Sophie Marro)

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Underwater glider

Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)

Copepode Coryceide (Photo : Fabien Lombard)

Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)

Diatom genus Chaetoceros (Photo : Sophie Marro)

Rosette for collecting seawater samples

Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

Instrumented buoy (Photo : David Luquet)

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Diatoms - Life in glass houses
Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.

Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)

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Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.

Diatom species Odontella mobiliensis (Photo : Sophie Marro)