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 Microscope video - Detritus Worm!

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Liz
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PostSubject: Microscope video - Detritus Worm!   Wed Feb 10, 2016 8:23 am

Well, thanks to the sage advice of @ddavis1979 we have been enjoying our microscope, and I found that my cichlid tank had a few detritus worms, so I suggested we grab a look at them under magnification. In the video it doesn't look like it, but these are the thin, white, very wiggly worms that we've likely all found in the substrate at one time or another. I have been guilty of a bit of overfeeding of my maingano cichlids and a couple of females are holding, so not eating as much, and there you go - science day at Liz's house.

One thing to note:  In the hobby we (myself included) often call these white, wiggly worms that accumulate in the substrate when maintenance falls off "planaria," but, in fact, planaria are a species of flatworm, like leeches, and these detritus worms aren't really that at all. Often if you have one you'll have the other, though. Others can elaborate on the distinctions, but I thought I'd point this out.

This is our first microscope video, so maybe not the best, but we're having a blast with this!  study

Worm

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PostSubject: Re: Microscope video - Detritus Worm!   Wed Feb 10, 2016 1:33 pm

It's definitely one of the Oligochaete worms (along with earthworms, blackworms, and Tubifex) and probably in the family Naididae, which include many genera and hundreds of species of small detritus worms. You can see that It has a pair of bristles on each segment, which flatworms (planaria and others) do not have. BTW, leeches are not flatworms, no matter how flat they are. Check your worm taxonomy on wikipedia.
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PostSubject: Re: Microscope video - Detritus Worm!   Wed Feb 10, 2016 1:47 pm

Thanks, Gerald! I knew you'd come rescue me! 

I do not know anything about worms, obviously, lol, but I was glad to learn, at least, through the powerful lens of the handy dandy microscope, that what I've been calling "planaria" casually in the hobby for years really isn't. 

My husband was talking about planaria and going into detail about their segments, and how they can regenerate when you cut them this way and that, and his description sure didn't sound like the wispy things in the aquarium, so I knew there must be some misidentification, or the wrong terms being used for so long people (me, mainly) forget what they're saying. 

Now that I have seen the worm up close and personal, and see how cool it is, I will have to find some actual planaria, and study up on my worm taxonomy. Just another thing to geek out about, dang it! Fortunately, my girls are just as into this stuff as Rick and I. I told them last night that I'd get some good info when I posted the video here.  ThumbsUp

Next on the list is to order up a tardigrade in the mail to examine under the 'scope.

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PostSubject: Re: Microscope video - Detritus Worm!   Wed Feb 10, 2016 9:16 pm

That is very ironic that you posted this today, I just did another water sample last week and find a similar worm.



This video is of a worm called Pristina Longiseta. Its long video with strange music to listen to while you watch. The magnifications are x40, x100, and x250 respectively.

I did some serious googling to arrive at the ID, maybe still wrong and have no idea of the sub-species
http://animaldiversity.org/accounts/Pristina_longiseta/classification/

http://www.gettyimages.com/detail/photo/oligochaete-worm-a-freshwater-pond-annelid-high-res-stock-photography/80669544

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PostSubject: Re: Microscope video - Detritus Worm!   Thu Feb 11, 2016 11:58 am

That is a much better video than mine, David, but I'm sure we'll get more. Very interesting! 

I ought to put the video on my YouTube page so it comes up on this thread. Compared to the tank shots I usually post, my subscribers are going to be a bit surprised!  Shocked

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PostSubject: Re: Microscope video - Detritus Worm!   Thu Feb 11, 2016 8:35 pm

Tell me, what equipment are you using, microscope, camera, etc.

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PostSubject: Re: Microscope video - Detritus Worm!   Thu Feb 11, 2016 10:20 pm

The AmScope 148c. I've ordered a mechanical stage to make viewing a bit smoother.

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PostSubject: Re: Microscope video - Detritus Worm!   Sat Feb 13, 2016 9:03 pm

I would love to get your review on the mechanical stage, since I have not experienced that.

AM Scope is a wonderful value for microscopes. I find a few flaws with mine (M158C-2L-E) but nothing that really interferes with my joy of viewing. I did trade in the 0.3MP USB camera for the 3MP, but found there was a flaw with that. The perceived magnification of the lower quality camera was much higher than the 3MP. The magnification of the 0.3MP camera was x800 but fuzzier and smaller picture, but the 3.0MP was x400 but much sharper and larger. I regret not keeping the first camera which has since been discontinued.

However, if I got rich and money wasn't an option, the T690C with 5MP camera looks very attractive!

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PostSubject: Re: Microscope video - Detritus Worm!   Sun Feb 14, 2016 1:45 am

This thread exemplifies why I like to visit here...Cool

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PostSubject: Re: Microscope video - Detritus Worm!   Mon Feb 15, 2016 9:16 am

I will update after we get the stage. We found it too jumpy and awkward to try to move the slide around by hand and the stage wasn't expensive. 

What's funny is when you've got the 'scope sitting on the kitchen counter, just sitting there, and people come over and see it, they start furtively glancing around, trying to think of something, anything, that they can look at on a slide, lol. It is hard to resist! Well, maybe this happens only to geeks, but oh well....  shrug

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PostSubject: Re: Microscope video - Detritus Worm!   Mon Feb 15, 2016 9:28 am

Speaking as a fellow geek, I'm looking forward to your updates!

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PostSubject: Re: Microscope video - Detritus Worm!   Mon Feb 15, 2016 10:01 am

The most fun seems to always be gathering fresh water & algae samples, however here are some other things I enjoyed exploring at maximum magnification.

Get a sharp knife or razor and take super thin cross sections of:
- A banana peel
- A carrot
- Celery


Or:
the eye of a common house fly
cheek scraping and or blood cells
wing of moth or butterfly

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PostSubject: Re: Microscope video - Detritus Worm!   Mon Feb 15, 2016 10:15 am

@ddavis1979 wrote:
The most fun seems to always be gathering fresh water & algae samples, however here are some other things I enjoyed exploring at maximum magnification.

Get a sharp knife or razor and take super thin cross sections of:
- A banana peel
- A carrot
- Celery


Or:
the eye of a common house fly
cheek scraping and or blood cells
wing of moth or butterfly



"Ummm, boss? Hi, Liz here. I can't come in today. There's some very important things I have to take care of today, right away. Yes, I'm calling in GEEK to work."  ROFL!

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PostSubject: Re: Microscope video - Detritus Worm!   Tue Feb 16, 2016 10:02 pm

too much! You guys are so funny. Interesting stuff, but funny... call to order

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