Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana

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.

Illustration in synthesized images of the seasons of the ocean: a year from the Arctic - Animation Clement Fontana

Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.

The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.