Quizz marine zooplankton

Les mésocosmes déployés dans la rade de Villefranche (© L. Maugendre, LOV)

Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)

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Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.

Diatom genus Chaetoceros (Photo : Sophie Marro)

Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)

Remote-controlled sailboat

Instrumented buoy (Photo : David Luquet)

Jellyfish Aequorea aequorea (Photo : Fabien Lombard)

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Salpes - La vie enchaînée
Bien que d’apparence primitive, les salpes sont de proches ancêtres des poissons. Lorsque les algues abondent, les salpes prolifèrent en de longues chaînes d’individus clonés.

Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)