Quizz marine zooplankton

Dinoflagellate Ceratium tripos (Photo : Sophie Marro)

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Diatoms - Life in glass houses
Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.

Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)

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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.

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Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)

Siphonophore (Photo : Fabien Lombard)

Diatom species Odontella mobiliensis (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)

Vue sous-marine d'un groupe de mésocosmes (© Stareso)

Radiolarians (Photo : Fabien Lombard)

Mollusk (Photo : Fabien Lombard)

Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA

Jellyfish Pelagia noctilica (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni

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Ptéropodes - Mollusques qui nagent
Les papillons des mers construisent de fragiles coquilles. Résisteront-elles à l’acidification des océans?