Siphonophores - The longest animals on the planet
Cousins of corals, siphonophores are colonies of specialized individuals called zoids. Some catch and digest their prey, others swim, or lay eggs or sperm.
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Ptéropodes - Mollusques qui nagent
Les papillons des mers construisent de fragiles coquilles. Résisteront-elles à l’acidification des océans?
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)
Remote-controlled sailboat
Mollusk (Photo : Fabien Lombard)
Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)
Rosette for collecting seawater samples
Surface chlorophyll a concentration in the global ocean.
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)
Illustration in synthesized images of the seasons of the ocean: a year from the Arctic - Animation Clement Fontana
Instrumented buoy (Photo : Emilie Diamond)
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Cténophores - Orgie de couleurs
Vagues de lumière iridescentes, à l'affût de proies, voici les cténophores.
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
