Observations on Chaetoceros danicus

Sampling date 04/2017 plus 04/2010. Scale bars indicate 50 µm (1), 50 µm (2), 100 µm (3).

Two images in valvar and one in cingular view. Note that protoplasm and chloroplasts are also present in the setae. 

Place name: North Sea around Heligoland  
Latitude: 54.186311     Longitude: 7.895034

Microscope Zeiss Universal, camera  Olympus OM-D E-M5 II. DOF image.