Les Dinoflagellés - Ceratium gravidum

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

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Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.

Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)

Stickers & Goodies

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

Diatom species Odontella mobiliensis (Photo : Sophie Marro)

Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)

Tunicata Pyrosoma (Photo : Fabien Lombard)

Préparation des mésocosmes sur le ponton du laboratoire d'Océanographie de Villefranche lors de l'expérience menée en rade de Villefranche en février 2013 (© L. Maugendre, LOV)

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

Les mésocosmes attirent les poissons ! (© Stareso)

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Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.

Dinoflagellate Ceratium furca (Photo : Sophie Marro)

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

Squid larva (Photo : Fabien Lombard)

Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)