Dino ID needed

[Kaj Mählqvist]

I have been fighting dinos without any luck. Just bought a microscope but having a hard time deciding what it is.

Anyone able to help me ID them?

 

[Wampatom]

Check Taricha. A Guide to Dinoflagellate Identification in Reef Aquaria:

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They look like large cell amphidinium to me based on the resolution (estimate of size) and prescence of beak.

 

[Kaj Mählqvist]

Thank you! That definetly looks like the ones. The videos in the guide where great!

Time to start growing some diatoms then :)