Ceratium - Capter la lumière avec ses doigts

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.

Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)

Colony of salps Salpa fusiformis (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)

Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)

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Ptéropodes - Mollusques qui nagent
Les papillons des mers construisent de fragiles coquilles. Résisteront-elles à l’acidification des océans?

Instrumented buoy (Photo : David Luquet)

Jellyfish Aequorea aequorea (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)

Carte bathymétrique mondiale

Profiling float (Photo : David Luquet)

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

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)