new mystery thingy

René · Post by **René** » Thu Feb 06, 2014 8:38 am

Hi guys, time for a new mystery object. 40 um diameter, light brackish environment.

Top view:

Side view:

Happy guessing,
René

Pau · Post by **Pau** » Thu Feb 06, 2014 10:50 am

Testate amoeba?

René · Post by **René** » Sat Feb 08, 2014 12:14 pm

Nice try Pau, but no.

Anyone else?

fpelectronica · Post by **fpelectronica** » Sat Feb 08, 2014 1:15 pm

It could be a Tardigrado egg (water bear)?

carlos.uruguay · Post by **carlos.uruguay** » Sat Feb 08, 2014 3:22 pm

I agree with the proposal of Francisco

René · Post by **René** » Sun Feb 09, 2014 4:17 am

hmm, some resemblance there, I didn't think of that before.

Nice try, but no.

Best wishes,
René

Clado · Post by **Clado** » Sun Feb 09, 2014 4:26 pm

Hello Rene,

Hastatella radians?

Alfred Kahl Volume IV Peritricha and Chonotricha page 665-667.

Kind regards

Clado

René · Post by **René** » Mon Feb 10, 2014 1:57 am

YES!

Congrats, well done. It is quite rare. It feeds on bacteria, especially in organically rich waters.

Next image is from Foissner, Taxonomische und oecologische Revision der Ciliaten des Saprobiensystems:

Didn't realise Kahl menioned it as well, will check up on that. Foissner shows very good SEM images in Identification and ecology of limnetic plankton ciliates.

Best wishes, René