Unnumbered critters to identify

[NachoBen]

Here is the cyanobacteria Microcystis aeruginosa surrounded by hungry Frontonia cf. leucas and an army of -for me- unidentified little critters. Perhaps Tetrahymena?




Any help welcome! Thank you everybody.

[Bruce Taylor]

Tetrahymena is very likely (the shape and size are right, the mouth is in the right place, and they often congregate in large numbers, like this). However, identifying ciliates in dark field is difficult. Do you have bright field footage?

[NachoBen]

Thank you Bruce!

Nowadays I am exploring the dark field, which in terms of videos can give very aesthetic results, although for the correct identification of microorganisms I agree the bright field cannot be substituted.

I shall upload BF videos of this critter ASAP.