Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)
Siphonophores (Photo : Fabien Lombard)
Ostracodes (Photo : Fabien Lombard)
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.
Dinoflagellate Ceratium tripos (Photo : Sophie Marro)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
Instrumented buoy (Photo : David Luquet)
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Instrumented buoy (Photo : David Luquet)
Siphonophore Forskalia formosa (Photo : Fabien Lombard)
Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)
Drifting profiling floats in the Atlantic
Rosette for collecting seawater samples