Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock photos

"Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1235px, 2600 x 2007px, 4758 x 3673px. The minimum price for an image is 49$. Image in the highest quality is 4758 x 3673px, 300 dpi, and costs 449$.