Baltic sea sample with algae and sand collected from a beach and observed within few days of collection.
Indicated by a red arrow
Size: 108 µm x 10 µm
Site of sample collection: Katsurashima Ryokuchi south pond (a freshwater habitat), Sendai, Japan
Date of sample collection: September 18th 2021
Weather: Rainy
Water temp.: 21.3°C
pH 6.3
Date of observation: September 18th 2021
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.
Images taken with Bio-Rad Zoe Imager. Lake Merritt is a tidal estuary.
Images taken with Bio-Rad ZOE imager
From bathwater collector used to water plants on balcony
taken with Bio-Rad ZOE fluorescent imager
From bathwater collector used to water plants on balcony
taken with Bio-Rad ZOE fluorescent imager
This single celled protist that feeds bacteria was found in a water sample from the pond on school grounds.
400x magnification, was moving very quickly
Microscopy images with foldscope. A video of this polychaete using the foldscope can be found here: https://youtu.be/E1_R1GmtosI
400x in H2O infected asci of Ascobolus albidus
Second photo shows healthy asci and spores for comparison.