Daphniidae
UNITED STATES: Alabama, Jefferson Co.
Darner's Den; Bessemer
26.Mar.2023
John C. Abbott JCA#3944
Habitat notes: in small shallow side channel of river right below train tracks by the Wool Factory. Lots of individuals. Copepods also abundant
Camera information: Calibration= 0.002 Millimetres per pixel; Capture format= 1024 x 768; Gamma= 0.45; Gain= 2.1 x; Exposure= 60.0 ms; Auto exposure= On; Image type= Colour; Sharpening= Off; Black clip= 0; White clip= 255;
Microscope information: Main Objective Mag.= 1; Zoom Magnification= 5; Visual Magnification= 50; Video Magnification= 2.50;
Camera information: Calibration= 0.002 Millimetres per pixel; Capture format= 1024 x 768; Gamma= 0.45; Gain= 1.3 x; Exposure= 7.50 ms; Auto exposure= On; Image type= Colour; Sharpening= Off; Black clip= 0; White clip= 255;
Microscope information: Main Objective Mag.= 1; Zoom Magnification= 5; Visual Magnification= 50; Video Magnification= 2.50;
Camera information: Calibration= 0.002 Millimetres per pixel; Capture format= 1024 x 768; Gamma= 0.45; Gain= 1.6 x; Exposure= 40.0 ms; Auto exposure= On; Image type= Colour; Sharpening= Off; Black clip= 0; White clip= 255;
Microscope information: Main Objective Mag.= 1; Zoom Magnification= 5; Visual Magnification= 50; Video Magnification= 2.50;
Camera information: Calibration= 0.002 Millimetres per pixel; Capture format= 1024 x 768; Gamma= 0.45; Gain= 3.1 x; Exposure= 80.0 ms; Auto exposure= On; Image type= Colour; Sharpening= Off; Black clip= 0; White clip= 255;
Microscope information: Main Objective Mag.= 1; Zoom Magnification= 5; Visual Magnification= 50; Video Magnification= 2.50;
Camera information: Calibration= 0.002 Millimetres per pixel; Capture format= 1024 x 768; Gamma= 0.45; Gain= 1.3 x; Exposure= 8.60 ms; Auto exposure= On; Image type= Colour; Sharpening= Off; Black clip= 0; White clip= 255;
Microscope information: Main Objective Mag.= 1; Zoom Magnification= 5; Visual Magnification= 50; Video Magnification= 2.50;
Bright-field microscopy. In freshwater river sampled by @thebeachcomber.
In a small, muddy stream that flows into a wetland. from posterior to anterior probably 5mm. Near/in aquatic moss.