#tintinnid #ciliates How on earth do they build this shell? #microscopy #freshwater. It's body is approx 40 Micron. #protists.

Usually, I see empty little amphora shaped loricas, but this is a live #tintinnid #cillitate! #freshwater #plankton sample. #protist #citizenscientist. Unbelievable that they make a fantasticly shaped shell.