A year from the Antarctic

Siphonophores - The longest animals on the planet

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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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Illustration in synthesized images of the seasons of the ocean: a year from the Arctic - Animation Clement Fontana

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The Glider

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

Instrumented buoy (Photo : David Luquet)

Rosette for collecting seawater samples

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

Krill (Photo : Fabien Lombard)

Siphonophores (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

Coccolithophore (Photo : Sophie Marro)

Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

Squid larva (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)

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Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana

Copepode Sapphirina iris (Photo : Fabien Lombard)

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)