Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
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)
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)
Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Mollusk (Photo : Fabien Lombard)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Carte bathymétrique mondiale
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.
Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)
Siphonophore (Photo : Fabien Lombard)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Acantharia (Photo : Fabien Lombard)
Phronimes - Monstres des tonneaux
Recyclant salpes et méduses, la femelle phronime construit des tonneaux gélatineux et y élève sa progéniture.
Acantharia (Photo : Fabien Lombard)
