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.
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Underwater glider (Photo : David Luquet)
Instrumented buoy (Photo : Emilie Diamond)
Dinoflagellate Ceratium furca (Photo : Sophie Marro)
