The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Crab larva (Photo : Fabien Lombard)
Dinoflagellate Ceratium tripos (Photo : Sophie Marro)
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.
Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)
Large rosette sampler used in the "World Ocean Circulation Experiment". This rosette has 36 10-liter Niskin bottles, an acoustic pinger (lower left), an "LADCP" current profiler (yellow long tube at the center), a CTD (horizontal instrument at the bottom), and transmissometer (yellow short tube at the center). (Photo : L. Talley)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Squid larva (Photo : Fabien Lombard)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Les Dinoflagellés - Ceratium gravidum
Ceratium gravidum dont en voit parfaitement les mouvements d’un des deux flagelles.
Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Instrumented buoy (Photo : David Luquet)
Cténophores - Orgie de couleurs
Vagues de lumière iridescentes, à l'affût de proies, voici les cténophores.
Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.