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.
Surface chlorophyll a concentration in the Mediterranean Sea.
Gelatinous plankton salpes and Beroe(Photo : Fabien Lombard)
Acantharia(Photo : Fabien Lombard)
Mollusk (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)