MicrobeHunter.com Microscopy Forum

I'm not sure if these are cilliates or dinoflagellates. They seem to conjugate( i have videos of this event)
Looked through one of my guides but couldn't find anything close. They are from a fresh water source and are quite small compared to say paramecia.

https://youtube.com/shorts/dFWKO-lnrtw?feature=share

Any idea what they could be or related too? Thanks!

It is a species of Cryptomonas...a non-photosynthetic one, of the kind previously called Chilomonas. Cryptists are neither ciliates, nor dinoflagellates, but a very deep-branching group, likely related to (or branching within) the superkingdom Archaeplastida, a group that includes red algae, green algae and land plants.

Hey thanks for the help. I'm still learning Alot of taxonomy and the tree of life. I'm dive into chilomomas more, thanks!.

Yup looks spot on!