Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Surface chlorophyll a concentration in the Mediterranean Sea.
Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
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)
