Les Dinoflagellés - Ceratium gravidum

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

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The various components of a profiling float type PROVOR

Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)

Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)

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The profiling float

Carte bathymétrique mondiale

Squid larva (Photo : Fabien Lombard)

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Drifting profiling floats in the Atlantic

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

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)

Underwater glider (Photo : David Luquet)

Instrumented buoy (Photo : David Luquet)

Crab Zoea larva (Photo : Fabien Lombard)

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)

Dinoflagellate Ceratium fusus (Photo : Sophie Marro)

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Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)

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Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.

Dinoflagellate Ceratium carriense var volans (Photo : Sophie Marro)