Les Dinoflagellés - Ceratium gravidum

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Elephant seal equipped with a sensor

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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.

Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)

Diatom genus Cylindrotheca (Photo : Sophie Marro)

Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)

Carte de la camapagne du navire oceanographique James COOK

Le trajet du bateau sur fond couleur de la mer.

Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)

Ctenaria Eucharis multicornis (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

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Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.

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Pleurobrachia
Propulsées par huit rangées de peignes, les groseilles de mer déploient deux longs tentacules pour pêcher des crustacés.

Les mésocosmes attirent les poissons ! (© Stareso)

Instrumented buoy (Photo : David Luquet)

Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - 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 Arctic - Animation Clement Fontana

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Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.

Coccolithophore (Photo : Sophie Marro)