Tiny fast-moving wormlike animal with bifurcate tail from water sample
Video: https://youtu.be/OgbAG0Ai-7g
Photos are snapshots of the same individual in the video
Size: 120 µm in length, 19 µm in width
Site of collection: Pavilion, Takamori Higashi Park (a freshwater habitat), Sendai, Japan
Date of collection: Aug. 8th 2021
Weather: Rainy
Water temp.: 29.0°C
pH 6.6
Date of observation: August 11th 2021 (the collected sample in a plastic container was left near a window out of direct sunlight at room temperature until observation)
Bright field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan).
Moving too fast, and I was unable to add some glycerine to slow down.
in a forest stream
In a sample of water from below the ice sheet of a frozen pond. The sample was kept warm and illuminated for four months before observation.
4 months-old water sample from a lake.
Video: https://www.youtube.com/shorts/gVFC-REZjMM
Video: https://youtu.be/8lmXlS5TCdk
Photos are snapshots of the same individual in the video
Size: 124 µm in length, 19 µm in width
Site of collection: Pavilion, Takamori Higashi Park (a freshwater habitat), Sendai, Japan
Date of collection: Aug. 8th 2021
Weather: Rainy
Water temp.: 29.0°C
pH 6.6
Bright field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan).