Quizz observation of the oceans and seas

Tuniciers : Pyrosome (crédit photo : Fabien Lombard)

Tunicata Pyrosoma (Photo : Fabien Lombard)

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

Squid larva (Photo : Fabien Lombard)

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Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.

Instrumented buoy (Photo : David Luquet)

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

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The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.

Mollusk (Photo : Fabien Lombard)

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Drifting profiling floats in the Atlantic

Diatom genus Hemiaulus (Photo : Sophie Marro)

Préparation et mise à l'eau des mésocosmes sur le ponton de l'observatoire océanologique de Villefranche lors de l'expérience menée en rade de Villefranche en février 2013 (© L. Maugendre, LOV)

Siphonophores (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

Copepode Sapphirina iris (Photo : Fabien Lombard)

Large rosette sampler used in the "World Ocean Circulation Experiment". This rosette has 36 10-liter Niskin bottles, an acoustic pinger (lower left), an "LADCP" current profiler (yellow long tube at the center), a CTD (horizontal instrument at the bottom), and transmissometer (yellow short tube at the center). (Photo : L. Talley)

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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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Siphonophore (Photo : Fabien Lombard)