Sea Urchin - Planktonic Origins Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Ciliate(Photo : Fabien Lombard)
Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)
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)