Search found 132 matches

by Luis Carlos
Wed May 01, 2024 11:25 am
Forum: Pictures and Videos
Topic: 3 Testate Amoebae. The 2nd one explodes, apparently from a growing air bubble
Replies: 4
Views: 162

Re: 3 Testate Amoebae. The 2nd one explodes, apparently from a growing air bubble

What is observed is the detachment of a gas vacuole. Arcellae use this type of vacuoles to regulate their buoyancy, to escape or to turn his theca
by Luis Carlos
Fri Mar 15, 2024 11:58 am
Forum: Pictures and Videos
Topic: Ophryoglena flava
Replies: 4
Views: 397

Re: Ophryoglena flava

Thank you for such kind comments! Charlie Guevara: I have not eliminated any type of residue through image processing. I place the collected sample in a petri dish and select the specimen with the help of a stereo microscope and a Pasteur pipette. If done carefully (and with the help of luck) it is ...
by Luis Carlos
Thu Mar 14, 2024 5:56 pm
Forum: Pictures and Videos
Topic: Ophryoglena flava
Replies: 4
Views: 397

Ophryoglena flava



A large ciliate with a very characteristic mouth
by Luis Carlos
Sun Dec 17, 2023 9:45 am
Forum: Pictures and Videos
Topic: First experience with Vit C crystals
Replies: 4
Views: 1617

Re: First experience with Vit C crystals

¡Bello video!
La mayor parte de los cristales que muestras son de morfología esferulítica
by Luis Carlos
Sun Nov 19, 2023 6:17 pm
Forum: Pictures and Videos
Topic: Carchesium polypinum
Replies: 3
Views: 651

Re: Carchesium polypinum

Thanks Dennis and Einman!
by Luis Carlos
Sat Nov 18, 2023 8:31 am
Forum: Pictures and Videos
Topic: Carchesium polypinum
Replies: 3
Views: 651

Carchesium polypinum

Hi all,
I present a video on the colonial ciliate Carchesium polypinum.

by Luis Carlos
Thu Jun 22, 2023 6:56 am
Forum: Pictures and Videos
Topic: Loxophyllum meleagris
Replies: 5
Views: 759

Re: Loxophyllum meleagris

Thank you for such kind comments!
Javier: The first part is filmed from the specimens generated after the reproduction process.
by Luis Carlos
Wed Jun 21, 2023 9:56 am
Forum: Pictures and Videos
Topic: Loxophyllum meleagris
Replies: 5
Views: 759

Loxophyllum meleagris



In the first part of the video the main organs of this predatory ciliate are identified.
The second part shows the end of a reproduction process (division or conjugation?)
by Luis Carlos
Sat Mar 25, 2023 3:05 pm
Forum: Pictures and Videos
Topic: Catenula Lemnae
Replies: 4
Views: 1669

Re: Catenula Lemnae

Thanks for your comments Louise and Macnmotion! Macnmotion: In flatworms protonephridia helps in osmoregulation or ion-regulation. They are also helpful in excretion. According to K. LARSSON and W. WILLEMS (Report on freshwater Catenulida (Platyhelminthes) from Sweden with the description of four ne...
by Luis Carlos
Sat Mar 25, 2023 10:27 am
Forum: Pictures and Videos
Topic: Catenula Lemnae
Replies: 4
Views: 1669

Catenula Lemnae

by Luis Carlos
Thu Mar 09, 2023 8:23 am
Forum: Pictures and Videos
Topic: Vorticella campanula
Replies: 4
Views: 652

Re: Vorticella campanula

Thanks for such kind comments!
by Luis Carlos
Wed Mar 08, 2023 10:20 am
Forum: Pictures and Videos
Topic: Vorticella campanula
Replies: 4
Views: 652

Vorticella campanula

by Luis Carlos
Tue Feb 07, 2023 8:09 am
Forum: Pictures and Videos
Topic: Contractile vacuoles and radiating canals
Replies: 10
Views: 2220

Re: Contractile vacuoles and radiating canals

Very nice video and excellent information!
by Luis Carlos
Tue Jan 31, 2023 8:21 am
Forum: Pictures and Videos
Topic: Planktonic gastropods in DF
Replies: 23
Views: 5778

Re: Planktonic gastropods in DF

Excellent!
by Luis Carlos
Tue Jan 17, 2023 8:33 am
Forum: Pictures and Videos
Topic: Unfinished division ?
Replies: 3
Views: 648

Re: Unfinished division ?

It is the flatworm Catenula lemnae, which reproduces asexually by producing new worms growing from the posterior end of the animal.
by Luis Carlos
Mon Jan 02, 2023 7:59 am
Forum: Pictures and Videos
Topic: Carnivorous rotifer: Aspelta circinator
Replies: 7
Views: 1159

Re: Carnivorous rotifer: Aspelta circinator

Thank you for such favorable comments!
by Luis Carlos
Sat Dec 31, 2022 9:42 am
Forum: Pictures and Videos
Topic: Carnivorous rotifer: Aspelta circinator
Replies: 7
Views: 1159

Carnivorous rotifer: Aspelta circinator



Happy New Year!
by Luis Carlos
Mon Sep 12, 2022 9:35 am
Forum: Pictures and Videos
Topic: Desmid: Netrium digitus var. latum
Replies: 6
Views: 1040

Re: Desmid: Netrium digitus var. latum

Thank you for your kind comments!
by Luis Carlos
Mon Sep 12, 2022 9:34 am
Forum: Pictures and Videos
Topic: Suctorians
Replies: 9
Views: 2051

Re: Suctorians

Great photos and information
by Luis Carlos
Sun Sep 11, 2022 10:19 am
Forum: Pictures and Videos
Topic: Desmid: Netrium digitus var. latum
Replies: 6
Views: 1040

Desmid: Netrium digitus var. latum



A more flattened variety and less frequent than the more common Netrium digitus var. digitus. Those interested can see this last variety in: https://youtu.be/Ab0N6rw6ZYM
by Luis Carlos
Wed Aug 10, 2022 9:11 am
Forum: Pictures and Videos
Topic: A giant amoeba: Pelomyxa palustris
Replies: 6
Views: 1449

Re: A giant amoeba: Pelomyxa palustris

Thanks for your comments! Wes: I took the sample on the banks of the Ibaizábal river, among a dense proliferation of spirogyra-type algae, along with bottom debris. You can see a photograph of the collection point at the end of the video. At the moment the river has very little flow due to the treme...
by Luis Carlos
Tue Aug 09, 2022 9:59 am
Forum: Pictures and Videos
Topic: A giant amoeba: Pelomyxa palustris
Replies: 6
Views: 1449

A giant amoeba: Pelomyxa palustris



If you want to learn more about this gigantic amoeba: https://www.arcella.nl/
An excellent page on all kinds of amoebae
by Luis Carlos
Sun Jul 31, 2022 5:41 pm
Forum: Pictures and Videos
Topic: Rotifer colony
Replies: 3
Views: 1058

Re: Rotifer colony

Very nice!
by Luis Carlos
Sun Jul 31, 2022 7:18 am
Forum: Pictures and Videos
Topic: Desmid: Closterium moniliferum
Replies: 3
Views: 832

Re: Desmid: Closterium moniliferum

Yeas Javier, the same method.
Thanks for your comments!
by Luis Carlos
Thu Jul 14, 2022 7:40 am
Forum: Pictures and Videos
Topic: What is going on with this Rotifer?
Replies: 2
Views: 651

Re: What is going on with this Rotifer?

Nice video!
This is Rotaria tardígrada, in this rotifer the cuticle is usually covered with debris. It is a Bdelloid rotifer without lorica.
Another view of this rotifer:
https://youtu.be/uDaA6_vp2sY
by Luis Carlos
Sat Jul 09, 2022 9:13 am
Forum: Pictures and Videos
Topic: Brachionus ciliate
Replies: 6
Views: 1583

Re: Brachionus ciliate

Excellent video!
by Luis Carlos
Fri Jul 01, 2022 8:10 am
Forum: Pictures and Videos
Topic: Filamentous Bacteria (Beggiatoa)
Replies: 3
Views: 833

Re: Filamentous Bacteria (Beggiatoa)

Excellent!
by Luis Carlos
Tue Jun 21, 2022 4:46 pm
Forum: Pictures and Videos
Topic: Rotifer: Ptygura velata
Replies: 5
Views: 1127

Re: Rotifer: Ptygura velata

Thank you for your kind comments! woyjwjl: DIC 10, 20 40 and 100X (see the end of the video). Microplan: As indicated at the end of the video, I use an Olympus BX50 microscope. This was the Olympus research model in the 1990s. It has DIC with fluorite objectives, and a Sony alpha 6300 camera coupled...
by Luis Carlos
Tue Jun 21, 2022 7:13 am
Forum: Pictures and Videos
Topic: Rotifer: Ptygura velata
Replies: 5
Views: 1127

Rotifer: Ptygura velata