Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Diatom genus Hemiaulus (Photo : Sophie Marro)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Dinoflagellate Ceratium extensum (Photo : Sophie Marro)
Annelid worm (Photo : Fabien Lombard)
Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Coccolithophore (Photo : Sophie Marro)
Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)
Phronimes - Monstres des tonneaux
Recyclant salpes et méduses, la femelle phronime construit des tonneaux gélatineux et y élève sa progéniture.
Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Carte bathymétrique de la Mer Méditerranée
Instrumented buoy (Photo : David Luquet)