Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
Surface chlorophyll a concentration in the global ocean.
Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
Siphonophores (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Instrumented buoy (Photo : Emilie Diamond)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Copepode Coryceide (Photo : Fabien Lombard)
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)
