Ostracodes  (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

Profiling float (Photo : David Luquet)

Large rosette sampler used in the "World Ocean Circulation Experiment". This rosette has 36 10-liter Niskin bottles, an acoustic pinger (lower left), an "LADCP" current profiler (yellow long tube at the center), a CTD (horizontal instrument at the bottom), and transmissometer (yellow short tube at the center). (Photo : L. Talley)

Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)

Jellyfish Pelagia noctiluca  (Photo : Fabien Lombard)

Amphipode crustacean  (Photo : Fabien Lombard)

Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.

Copepode Coryceide  (Photo : Fabien Lombard)

Diatom genus Coscinodiscus (Photo : Sophie Marro)

Annelid worm (Photo : Fabien Lombard)

Dinoflagellate Ceratium fusus (Photo : Sophie Marro)

Elephant seal equipped with a sensor

Mollusk  (Photo : Fabien Lombard)

Gelatinous plankton Mneniopsis  (Photo : Fabien Lombard)

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