Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.
Crab Zoea larva (Photo : Fabien Lombard)
Dinoflagellate Ceratium tripos (Photo : Sophie Marro)
Surface chlorophyll a concentration in the Mediterranean Sea.
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)
Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)
Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana
Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Vue sous-marine d'un groupe de mésocosmes (© Stareso)
Copepode Sapphirina iris (Photo : Fabien Lombard)
Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Les Dinoflagellés - Ceratium hexacanthum
chaîne de Ceratium hexacanthum qui restent les uns à la suites des autres au fur et à mesure des divisions.
Le mouvement des flagelles est bien visible.
