Observation puzzle : the rosette

Déploiement dun flotteur - Photo JJ. Pangrazi

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

Diatom species Odontella mobiliensis (Photo : Sophie Marro)

Trimaran of INSU

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

Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)

Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)

Diatom genus Cylindrotheca (Photo : Sophie Marro)

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Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.

Instrumented buoy (Photo : Emilie Diamond)

Ciliate (Photo : Fabien Lombard)

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)

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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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Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.

Carte bathymétrique de la Mer Méditerranée

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

Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)

Ctenaria Beroe ovata (Photo : Fabien Lombard)

Siphonophores Forskalia formosa (Photo : Fabien Lombard)