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.
Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Gelatinous plankton Pelagia and Ctenophores(Photo : Fabien Lombard)