Search found 833 matches
- Sun Apr 02, 2023 7:28 pm
- Forum: Photography Through the Microscope
- Topic: Fascinating Microbes found in a Pond
- Replies: 2
- Views: 751
Re: Fascinating Microbes found in a Pond
Hi - the long ciliates you photographed are Spirostomum sp - I see them often and there are several species. Cheers RB Hi Robert! The very long ciliates in this video are not Spirostomum , but various species of marine karyorelicteans (this is a saltwater sample, and these are typical "marine inter...
- Sun Sep 11, 2022 5:03 am
- Forum: Photography Through the Microscope
- Topic: Centropyxis aculata
- Replies: 2
- Views: 693
Re: Centropyxis aculata
Great pic! This is Netzelia corona. See: https://arcella.nl/netzelia-corona/ C. aculeata is quite flattened, in lateral view, with an offset aperture: https://arcella.nl/wp-content/images/Ce ... a-90um.jpg
- Sat Aug 13, 2022 6:19 am
- Forum: Photography Through the Microscope
- Topic: Can you help me identify this ciliate?
- Replies: 4
- Views: 747
Re: Can you help me identify this ciliate?
It is not Chlamydodon (a marine ciliate). That genus has a distinctive "traintrack" around the perimeter of the cell, but it is colorless, whereas this is green. Also, if you look closely, you'll see that it is a coiled strand of cyanobacteria, with a free end poking out at the lower right side (ano...
- Wed Jun 22, 2022 5:37 am
- Forum: Photography Through the Microscope
- Topic: Some amoebas
- Replies: 5
- Views: 922
Re: Some amoebas
Bubbles are indeed normal in Arcellidae. Gas bubbles enable the organism to lift itself from the substrate into the water column, where it can float to a new location. See: https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1550-7408.1991.tb04441.x?casa_token=VzsKFDz_MbMAAAAA:VnNPws8NEllqEvF8PvUIwDK9...
- Wed Jun 22, 2022 5:31 am
- Forum: Photography Through the Microscope
- Topic: Jumbo
- Replies: 3
- Views: 1013
Re: Jumbo
Very nice!. It is Holophrya (a "histophage," i.e. "tissue eater.")
- Wed Jun 22, 2022 5:26 am
- Forum: Photography Through the Microscope
- Topic: ID help for fugitive from Stentor Coeruleus
- Replies: 8
- Views: 1344
Re: ID help for fugitive from Stentor Coeruleus
I can see why you think that, but they are not Arcella (or any arcellinid). In the attached video, they appear to be spherical, not discoid or campanulate, and we see no sign of any pseudostomal aperture. They are too small, as well.
- Mon May 30, 2022 1:49 pm
- Forum: Photography Through the Microscope
- Topic: ID help for fugitive from Stentor Coeruleus
- Replies: 8
- Views: 1344
Re: ID help for fugitive from Stentor Coeruleus
Nice video! This is not my area of expertise, but I wonder if the fugitives are things that the Stentor sucked in, could not digest, and is now getting rid of. This is exactly right. The video shows ingested matter being ejected from the Stentor's excretory pore (cytopyge). I don't know what the li...
- Mon Apr 18, 2022 4:09 pm
- Forum: Photography Through the Microscope
- Topic: Can you help me identify this ciliate?
- Replies: 1
- Views: 597
Re: Can you help me identify this ciliate?
Nice video! It's a species of Frontonia (most likely F. leucas).
- Fri Apr 01, 2022 5:07 am
- Forum: Photography Through the Microscope
- Topic: dinoflagellate?
- Replies: 3
- Views: 880
Re: dinoflagellate?
This is a ciliate of some kind. The shape doesn't look natural, to me. I suspect it's a damaged spirotrich.
- Fri Apr 01, 2022 5:05 am
- Forum: Photography Through the Microscope
- Topic: Can you tell me what specimen it is? Is beautiful
- Replies: 2
- Views: 762
Re: Can you tell me what specimen it is? Is beautiful
Bruce Taylor wrote: ↑Thu Mar 31, 2022 5:11 pmI believe it is a species of Acoelomorpha, a marine group that used to be included among flatworms, but is now known to be distinct from platyhelminthes. They have ciliated bodies, and a small circular organ called a "statocyst", which I think we see here in the anterior of the organism.
- Thu Mar 31, 2022 5:11 pm
- Forum: Photography Through the Microscope
- Topic: Can you tell me what specimen it is? Is beautiful
- Replies: 2
- Views: 762
Re: Can you tell me what specimen it is? Is beautiful
I believe it is a species of Acoelomorpha, a marine group that used to be included among flatworms, but is now known to be distinct from platyhelminthes. They have ciliated bodies, and a small anterior organ called a "statocyst", which I think we see here in the anterior of the organism.
- Mon Mar 07, 2022 2:32 pm
- Forum: Photography Through the Microscope
- Topic: Stentor ?
- Replies: 2
- Views: 640
Re: Stentor ?
Yes, Stentor pyriformis. Very nice!
- Sat Nov 20, 2021 5:40 pm
- Forum: Photography Through the Microscope
- Topic: Protist ID please
- Replies: 2
- Views: 806
Re: Protist ID please
Hi Michael. This is likely Holophrya ovum (= Prorodon viridis , in older sources), a rotund ciliate with algal endosymbionts. In the second image, we have a top view of the mouth with its surrounding basket of nematodesmata (stiff microtubular rods that support the cytostome). Here's a view of the s...
- Tue Sep 21, 2021 8:07 pm
- Forum: Photography Through the Microscope
- Topic: Soil Organisms; Spathiida
- Replies: 2
- Views: 775
Re: Soil Organisms; Spathiida
A very nice spathidiid! What kind of soil sample did you use?
- Tue Sep 21, 2021 7:57 pm
- Forum: Photography Through the Microscope
- Topic: Protist ID please. Tetrahymena?
- Replies: 5
- Views: 1054
Re: Protist ID please. Tetrahymena?
Yes, I've seen that too! :) A ciliate cortex is a pretty fragile membrane-enclosed structure, and wouldn't stay in one piece long enough for a strand of oscillatoria to grow inside it. So, if it's a ciliate of some kind I think the algae would have been inside it already when you fixed the organism ...