Cténophores - Orgie de couleurs
Vagues de lumière iridescentes, à l'affût de proies, voici les cténophores.
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)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Surface chlorophyll a concentration in the Mediterranean Sea.
Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.
Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Remote-controlled sailboat
Squid larva (Photo : Fabien Lombard)
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)
Siphonophores (Photo : Fabien Lombard)
