Undulating Worm ID
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Old 08-06-2015, 02:28 AM   #1
skoram
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Undulating Worm ID


I set up a riparium a few months ago that has no livestock yet aside from some snails that hatched in the tank.

As I was inspecting the water yesterday, I noticed a lot of small organisms in addition to the snails like planaria, and some tiny critters that somewhat resembled BBS. I also noticed some undulating worms in the tank, about the size of very small grindal worms (about 1 cm long). I don't think they pose any threat to future livestock, but I just want to make sure. Here is a video of one (the small undulating thing in the center):

https://youtu.be/d7t0zK_gCxQ
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Old 08-06-2015, 03:37 AM   #2
Kindafishy
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That appears to be a detritus worm. They can be beneficial, as they will break down organic material. If you get an explosion of their numbers, it can be harmful by lowering O2 levels in the tank. By keeping the water clean and not over-feeding, you can limit the numbers of them.
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Old 08-06-2015, 05:01 AM   #3
skoram
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Quote:
Originally Posted by Kindafishy View Post
That appears to be a detritus worm. They can be beneficial, as they will break down organic material. If you get an explosion of their numbers, it can be harmful by lowering O2 levels in the tank. By keeping the water clean and not over-feeding, you can limit the numbers of them.
Thanks Kindafishy! I think you are right. I don't think they could be parasites as parasites generally need a host to grow and survive, and there are no hosts in the tank aside from snails.

The overfeeding part is interesting, as I have never fed the tank even once but there is a some decaying plant matter which I'm fairly sure was the cause.
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Old 08-06-2015, 08:19 AM   #4
dzega
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detritus worm. put some fish in there to have a snack or get rid of them with fenbendazole
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Old 08-07-2015, 07:50 AM   #5
skoram
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detritus worm. put some fish in there to have a snack or get rid of them with fenbendazole
as long as they are not parasitic/harmful to fish I have no problem with them and definitely don't want to medicate unless absolutely necessary.

on the contrary, seems like they will make a nice small snack for whatever I decide to add in the future - probably Apistogramma.
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Old 08-08-2015, 03:48 PM   #6
treyLcham
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I don't even feed my green tetras because I have a good population of these worms and the tetras just chow on them instead of any food I try to give them.


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