Gyrosigma sp. or Pleurosigma sp.
Length 168 um
Width 30 um
plankton sample with plankton net, oligotrophic, tannin-rich freshwater
Dos imágenes del mismo individuo en visiones diferentes.
No scale, x 1000 (oil)
Site of collection: Pavilion, Takamori Higashi Park (a freshwater habitat), Sendai, Japan
Date of collection: May 10th 2020
Weather: cloudy
Water temp.: not measured
pH not maesured
Date of observation: 10th May 2020
Bright field observation using a Vixen microscope (model 108A002, Saitama, Japan) equipped with an iPhone 12.