Three strange amoeboid organisms
Three strange amoeboid organisms
Recently I started suspending coverslips on the surface of water samples so they can develop a biofilm which attracts strange protists. Here are three examples of interesting amoeboid organism that I found.
Diplophrys
Ditrema
Microgromia socialis or Lecythium hyalinum
Diplophrys
Ditrema
Microgromia socialis or Lecythium hyalinum
Last edited by Wes on Mon Dec 13, 2021 10:59 am, edited 1 time in total.
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Re: Three strange amoeboid organisms
Neat idea + interesting catches!
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Re: Three strange amoeboid organisms
Thanks 75RR. Adding some organic matter helps a lot too as it provides nutrients for the developing food chain.
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Re: Three strange amoeboid organisms
The last pic is just waoooo
Re: Three strange amoeboid organisms
Magnificent photographs.
I think we have:
Lecythium hyalinum and Diplophrys
I think we have:
Lecythium hyalinum and Diplophrys
Re: Three strange amoeboid organisms
Thank you smollerthings and Francisco
How do you tell the difference between Microgromia socialis and Lecythium hyalinum
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Re: Three strange amoeboid organisms
Impressive images and very interesting experiment!
Re: Three strange amoeboid organisms
Hi Wes,
Very beautiful pictures! I have been thinking about the floating coverslip technique and your interesting findings have inspired me to try it. You have probably already checked this out, but there is more information on Microgromia (and others) on Microworld website. Here is the entry on Microgromia: https://www.arcella.nl/microgromia-2/. The paper he mentions from Martin Kreutz is available at the Mikrokosmos site (https://www.zobodat.at/publikation_series.php?id=220; although in German, you can use online translators to get a version in English). Martin Kreutz has also used the floating coverglass technique to study Microgromia and other small testate amoebae (and many other things!), as he notes here: https://www.mikro-tuemplerforum.at/view ... omia#p1781 (again, you can use a translator like Google Translate if you don't read German).
Tim
Very beautiful pictures! I have been thinking about the floating coverslip technique and your interesting findings have inspired me to try it. You have probably already checked this out, but there is more information on Microgromia (and others) on Microworld website. Here is the entry on Microgromia: https://www.arcella.nl/microgromia-2/. The paper he mentions from Martin Kreutz is available at the Mikrokosmos site (https://www.zobodat.at/publikation_series.php?id=220; although in German, you can use online translators to get a version in English). Martin Kreutz has also used the floating coverglass technique to study Microgromia and other small testate amoebae (and many other things!), as he notes here: https://www.mikro-tuemplerforum.at/view ... omia#p1781 (again, you can use a translator like Google Translate if you don't read German).
Tim
Re: Three strange amoeboid organisms
Thank you Javier and Tim
The Mikrokosmos site I had not seen, only an aggregated PDF with various issues. Thats awesome, thanks again!
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Re: Three strange amoeboid organisms
It is difficult to distinguish between the two.
Microgromy tends to be more shaped like a "bottle with a neck" than Lecythium, which tends to be rounder.
Lecythium is, I think, more abundant for what, I think, that might be.
Re: Three strange amoeboid organisms
Thanks for the tip, I've edited the label under the image to reflect that.
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Re: Three strange amoeboid organisms
Great photos Wes! Thanks for sharing.
Re: Three strange amoeboid organisms
Thank you Jochen.
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Re: Three strange amoeboid organisms
Wow, looking at this I now realize I've seen these in my cyanobacteria culture, but I didn't pay them any mind because I thought they were just debris. I'll have to try to find more now!tlansing wrote: ↑Sun Dec 12, 2021 1:54 pmHere is the entry on Microgromia: https://www.arcella.nl/microgromia-2/
Re: Three strange amoeboid organisms
Nice, if you take photos feel free to share them here (or an entirely new thread), these are absolutely fascinating organisms.kwesi wrote: ↑Wed Dec 15, 2021 6:58 pmWow, looking at this I now realize I've seen these in my cyanobacteria culture, but I didn't pay them any mind because I thought they were just debris. I'll have to try to find more now!tlansing wrote: ↑Sun Dec 12, 2021 1:54 pmHere is the entry on Microgromia: https://www.arcella.nl/microgromia-2/
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