Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.
Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
Instrumented buoy (Photo : David Luquet)
Diatom species Odontella mobiliensis (Photo : Sophie Marro)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Crab larva (Photo : Fabien Lombard)
Annelid worm (Photo : Fabien Lombard)
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)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)
Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Rosette for collecting seawater samples
Appendicularia Oikopleura dioica (Photo : Fabien Lombard)
Copepode Sapphirina iris (Photo : Fabien Lombard)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.