Siphonophores - The longest animals on the planet

Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)

Instrumented buoy (Photo : David Luquet)

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)

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Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.

Underwater glider (Photo : David Luquet)

Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)

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Drifting profiling floats in the Atlantic

Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)

Copepode Coryceide (Photo : Fabien Lombard)

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

Surface chlorophyll a concentration in the Mediterranean Sea.

Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)

Instrumented buoy (Photo : Emilie Diamond)