Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)
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.
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Squid larva (Photo : Fabien Lombard)
Foraminifera (Photo : Fabien Lombard)
Mollusk (Photo : Fabien Lombard)
Colony of salps Salpa fusiformis (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)
Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)
Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)
Vue sous-marine d'un groupe de mésocosmes (© Stareso)
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Instrumented buoy (Photo : David Luquet)
