Plankton Zoom Gallery (Plankton up-close)

Dr. Biology

Plankton comes in many shapes and sizes. These are just a few of the thousands of examples. Click on any of the plankton samples in the gallery below and use the zoom tool to explore the different shapes and textures of these amazing organisms.

Want to learn more about plankton? We also have a companion story called Invisible Watery World that you might like to check out.

Amoeba zooplankton image Copepod nauplius (larva) zooplankton image Cillate zooplankton image
Amoeba Zooplankton Copepod nauplius (larva) Ciliate Zooplankton
Beautiful Tiger Beetle image Teak Tiger Beetle image Carolina Metallic Tiger Beetle image
Nematode Zooplankton Coelastrum (green algae) Phytoplankton Fragilariopsis cylindrus (diatom) Phytoplankton
Bolivian Ornate tiger Beetle image Broad-winged Manticora image Cream-edged Tiger Beetle image
Chlamydomonas (green algae) Phytoplankton Filamentous cyanobacteria and pennate diatoms Phytoplankton Centric diatom Phytoplankton
Bolivian Ornate tiger Beetle image Tetraselmis and rotifer image Cream-edged Tiger Beetle image
Filamentous green algae Phytoplankton Tetraselmis and rotifer Phytoplankton and zooplankton Pennate diatom Phytoplankton
Bolivian Ornate tiger Beetle image Broad-winged Manticora image Cream-edged Tiger Beetle image
Tetraselmis Phytoplankton Scenedesmus Phytoplankton Pennate diatom Phytoplankton

In case you are wondering why there are white lines on each image, they are used to show the size of each plankton. Microscopists call these lines scale bars, because they let a person know the size of an object. All the white lines above are equal to 50 micrometers.

Is autism genetic?

Be Part of
Ask A Biologist

By volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteers page to get the process started.

Donate icon  Contribute