Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
	Siphonophores - The longest animals on the planet
Cousins of corals, siphonophores are colonies of specialized individuals called zoids. Some catch and digest their prey, others swim, or lay eggs or sperm.
  
			
			Diatom genus Rhizosolenia (Photo : Sophie Marro)
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Mollusk  (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Instrumented buoy (Photo : David Luquet)
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
 
 
 
			Ostracodes  (Photo : Fabien Lombard)
Instrumented buoy (Photo : Emilie Diamond)
Prélèvements d'eau des mésocosmes pour analyses, lors de l'expérience menée en Corse en juin/juillet 2012 (© A. Ree, PML)
Instrumented buoy (Photo : David Luquet)
Squid larva (Photo : Fabien Lombard)
 
Gelatinous plankton Pelagia and Ctenophores  (Photo : Fabien Lombard)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)