closterium_mysterium's Identifications
Photos / Sounds
Observer
amayakanDescription
Video: https://youtu.be/PAkg6twoqbg
Photos are snapshots of the same individual featured in the video
Size: 81 µm in length (excluding cirri)
Site of sample collection: A stream full of algae near the South Pond, Katsurashima Ryokuchi (a freshwater habitat), Sendai, Japan
Date of sample collection: August 27th, 2022
Weather: Cloudy
Water temp.: 25.4°C
pH 7.0
Date of observation: August 28th, 2022 (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). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.
Photos / Sounds
What
Genus KlebsormidiumObserver
robertdmartinDescription
Sunlit water extract from garden soil.
Photos / Sounds
What
Genus KlebsormidiumObserver
mc_agricolaDescription
Periphyton from an abandoned phosphate ore quarry: pH = 5,1; Сm(NO₃⁻) ~ 170 ppm.
Photos / Sounds
Observer
amayakanDescription
Video: https://youtu.be/DpILCfwFwFA
Photos are snapshots of the same individual featured in the video
Size: 76 µm in length, 36 µm in width
Site of sample collection: A stream full of algae near the South Pond, Katsurashima Ryokuchi (a freshwater habitat), Sendai, Japan
Date of collection: August 27th, 2022
Weather: Cloudy
Water temp.: 25.4°C
pH 7.0
Date of observation: August 28th, 2022 (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). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.
Photos / Sounds
What
Genus SpirogyraObserver
amayakanDescription
Each cell contains one chloroplast with 2-4 spiral turns, depending on the cell length.
The cells measure 73–120 µm (in length) x 25 µm (in width).
Site of sample collection: South Pond, Katsurashima Ryokuchi (a freshwater habitat), Sendai, Japan
Date of collection: August 27th, 2022
Weather: Cloudy
Water temp.: 25.4°C
pH 6.8
Date of observation: August 27th, 2022
Bright-field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.
Photos / Sounds
What
Genus CymbellaObserver
amayakanDescription
Video: https://youtu.be/oTtxnNvHD0E
Size: see scale bars
Site of sample collection: South Pond, Katsurashima Ryokuchi (a freshwater habitat), Sendai, Japan
Date of collection: Aug. 27th, 2022
Weather: Cloudy
Water temp.: 25.4°C
pH 6.8
Date of observation: August 27th, 2022
Bright field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.
Photos / Sounds
What
Non-biting Midges (Family Chironomidae)Observer
dominicDescription
Not sure what these are but I think they might be some bryozoans. The last pic is part of the huge mass these things came from.
Photos / Sounds
What
Genus MicrothoraxObserver
amayakanDescription
Video: https://youtu.be/6wVwc2GEfGI
Photos are snapshots of the same individual featured in the video
Size: The cell measures 17 µm x 14 µm.
Site of sample collection: Pavilion, Takamori Ryokuchi (a freshwater habitat), Sendai, Japan
Date of sample collection: July 2nd, 2022
Weather: Sunny
Water temp.: 27.1°C
pH 6.6
Date of observation: July 10th, 2022 (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). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.
Photos / Sounds
What
Urocentrum turboObserver
crseaquistDescription
Water sample (freshwater) was taken on 07/20/2024 using a turkey baster.
Stats
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