Hi guys, came across this beauty today in a fresh marine sample:
(https://www.mikroskopie-forum.de/pictures002/53781_7972574.jpg)
(https://www.mikroskopie-forum.de/pictures002/53781_58440109.jpg)
(https://www.mikroskopie-forum.de/pictures002/53781_47234245.jpg)
It's pretty common in the North Sea waters, but at 80um dia it is a big one. The valve pattern is thick and pretty pronounced, with the typical actinocyclus 'eye' at around 5 o'clock. I've cropped it here out of a full frame at 25x25um:
(https://www.mikroskopie-forum.de/pictures002/53781_57555880.jpg)
60/1.4 oil, DIC/inverted
images uploaded in photomacrography.net
Best wishes, Rene
Hallo Rene,
Zeer mooie foto's. Ik geloof dat ik me ook maar eens in zeewater ga verdiepen. Gr,
Rolf