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.
Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)
Copepode Coryceide (Photo : Fabien Lombard)
Siphonophores (Photo : Fabien Lombard)
Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.
Siphonophore Forskalia formosa (Photo : Fabien Lombard)
The research vessel "Marion Dufresne"
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Radiolarians (Photo : Fabien Lombard)
Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
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)
Ciliate (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Diatom genus Chaetoceros (Photo : Sophie Marro)