Annelid worm (Photo : Fabien Lombard)

Instrumented buoy (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)

Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)

Dinoflagellate Ceratium fusus (Photo : Sophie Marro)

Krill (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)

Siphonophores Forskalia formosa (Photo : Fabien Lombard)

Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)

Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA

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

Diatom genus Coscinodiscus (Photo : Sophie Marro)