There were definite rotifers swimming around rapidly when I first looked at the sample, but they seemed to have died off quickly in the crowded sample. This may be one.Depth ~185 cm
Secchi
Water temperature 13 degC top/13 degC bot
Salinity 15 ppt top 26 ppt bot
pH 7 top/7.5 bot
Dissolved oxygen 6.5 ppm top/5.5 ppm bot