Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.
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.
Underwater glider (Photo : David Luquet)
Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Diatom genus Chaetoceros (Photo : Sophie Marro)
Squid larva (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Krill (Photo : Fabien Lombard)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Profiling float (Photo : David Luquet)
Diatom genus Rhizosolenia (Photo : Sophie Marro)
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Diatom genus Coscinodiscus (Photo : Sophie Marro)
Instrumented buoy (Photo : David Luquet)