Jigsaw Puzzle : Velella - Planktonic Vessels

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

Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)

Surface chlorophyll a concentration in the Mediterranean Sea.

Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)

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

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)

Foraminifera (Photo : Fabien Lombard)

Krill (Photo : Fabien Lombard)

Amphipode crustacean (Photo : Fabien Lombard)

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

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

Diatom genus Coscinodiscus (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

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Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

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

Instrumented buoy (Photo : Emilie Diamond)