Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. Duringthe austral summer,the amount of chlorophyllais so low thatthe water becomesdeepblue,almostpurple. (Photo : Joséphine Ras)
Ciliate(Photo : Fabien Lombard)
Underwater glider (Photo : David Luquet)
Dinoflagellate Ceratium furca (Photo : Sophie Marro)