Profiling float (Photo : David Luquet)

Jellyfish Pelagia noctiluca  (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)

Instrumented buoy (Photo : Emilie Diamond)

Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

Ctenaria Lampetia pancerina  (Photo : Fabien Lombard)

Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)

Annelid worm (Photo : Fabien Lombard)

Dinoflagellate Ceratium furca (Photo : Sophie Marro)

Rosette for collecting seawater samples

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

Underwater glider (Photo : David Luquet)

Underwater glider (Photo : David Luquet)

Surface chlorophyll a concentration in the Mediterranean Sea.

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