Les Dinoflagellés - Ceratium gravidum
Ceratium gravidum dont en voit parfaitement les mouvements d’un des deux flagelles.
  
			Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.
 
 
 
			Remote-controlled sailboat
Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)
Instrumented buoy (Photo : Emilie Diamond)
Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)
Copepode Coryceide  (Photo : Fabien Lombard)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.
 
 
 
			Jellyfish Pelagia noctilica  (Photo : Fabien Lombard)
Acantharia (Photo : Fabien Lombard)
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
	Illustration in synthesized images of the seasons of the ocean: a year from the Arctic - Animation Clement Fontana
 
 
 
 
 
			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)