Phytoplankton Identification Image Gallery

High-speed imaging with FlowCam is a powerful way to quickly count, measure, and classify phytoplankton. This plankton identification gallery provides example FlowCam images from freshwater, estuarine, and marine algal groups, including potential toxin producers, cyanobacteria, taste and odor producers, and shellfish HABs, that may be used to assist with the taxonomic identification of phytoplankton*, particularly for groups working with FlowCam image data.

To learn more about how FlowCam can support your phytoplankton research and monitoring, download our Ebook, "The Ultimate Guide to Flow Imaging Microscopy for Aquatic Life Sciences".

 

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Akashiwo sanguinea
Marine Estuarine
Akashiwo sanguinea
  • Ecosystem Disrupter
Aphanizomenon flos aqua
Freshwater
Aphanizomenon flos-aquae
  • Ecosystem Disrupter
  • Filter Clogger
  • Water Softening
Aphanizomenon gracile
Freshwater
Aphanizomenon gracile
  • Ecosystem Disrupter
  • Filter Clogger
  • Water Softening
Asterionella sp.
Marine Estuarine Freshwater
Asterionella sp.
  • Filter Clogger
  • Ecosystem Disrupter
  • Coagulation Treatment Interference
Aulocosiera sp.
Marine Estuarine Freshwater
Aulacoseira sp.
  • Filter Clogger
Ceratium sp.
Estuarine Freshwater
Ceratium sp.
Chaetoceros sp.
Marine Estuarine
Chaetoceros sp.
  • Filter Clogger
  • Ecosystem Disrupter
Cuspidothrix issatschenkoi
Freshwater
Cuspidothrix issatschenkoi
Dinobryan sp.
Freshwater
Dinobryon sp.
Dinophysis sp.
Marine Estuarine
Dinophysis sp.
Ditylum brightwellii
Marine Estuarine
Ditylum brightwellii
  • Ecosystem Disrupter
Dolichospermum sp.
Freshwater
Dolichospermum sp.
  • Filter Clogger
  • Coagulation Treatment Interference
Dolichospermum sp.
Freshwater
Dolichospermum sp.
  • Filter Clogger
  • Coagulation Treatment Interference
Dolichospermum sp.
Freshwater
Dolichospermum sp.
  • Filter Clogger
  • Coagulation Treatment Interference
Geitlerinema sp.
Freshwater
Geitlerinema sp.
Gyrodinium sp.
Marine Estuarine
Gyrodinium sp.
Mallamonas sp.
Freshwater
Mallomonas sp.
Microcystis sp.
Freshwater
Microcystis sp.
  • Filter Clogger
  • Hinders Settling
Oscillatoria sp.
Freshwater
Oscillatoria sp.
  • Filter Clogger
  • Slime Producing
Prorocentrum cordatum
Marine Estuarine
Prorocentrum cordatum
Prorocentrum micans
Marine Estuarine
Prorocentrum micans
Pseudanabaena limetica
Freshwater
Pseudanabaena limnetica
Pseudonitzschia sp.
Marine Estuarine
Pseudonitzschia sp.
Raphidiopsis raciborskii
Freshwater
Raphidiopsis raciborskii (coiled)
Raphidiopsis raciborskii
Freshwater
Raphidiopsis raciborskii (straight)
Scrippsiella
Marine Estuarine
Scrippsiella trochoidea
Snowella litoralis
Freshwater
Snowella litoralis
Synedra sp.
Marine Estuarine Freshwater
Synedra sp.
  • Filter Clogger
  • Ecosystem Disrupter
  • Coagulation Treatment Interference
  • Water Softening
Synura sp.
Freshwater
Synura sp.
Tabellaria sp.
Marine Estuarine Freshwater
Tabellaria sp.
  • Filter Clogger
  • Indicator of High Acidity
Tripos lineatus
Marine Estuarine
Tripos lineatus
Tripos muelleri
Marine Estuarine
Tripos muelleri
Woronichinia naegeliana
Freshwater
Woronichinia naegeliana
  • Ecosystem Disrupter
  • Filter Clogger

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*Note that morphology and community composition may vary based on your location, environmental conditions, and instrument settings. This guide is designed to be a general resource and should not be used exclusively for making public health decisions. Images are not to scale. FlowCam is not designed for speciation, though it may be possible depending on your area and the genera you are working with.