Nematodes

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Cherasdad created the topic: Nematodes

9" Tiger oscar (healthy, vibrant and always hungry!) in a 55g tank with an Aquaclear 110 and a Fluval 406 cartridge filter. Water quality good, but nitrates go up quickly as city water has trace ammonia in it. I have that under control, and all is well until shortly after I got the Fluval and changed from gravel to sand. I now have many nematodes, identified by the eyelash sized U-shape that free float and occasionally wiggle like mad. They do NOT appear on glass. I was overfeeding, as am sure most new Oscar owners do, but have cut down to just once a day. I have done very thorough gravel vacs, and even changed all the substrate from sand back to gravel. I have been changing water every day, about 50%, and even starved him for 2 days. STILL, I cannot get rid of these buggers. I am worried they are living in filter now. I went to a LFS and they suggested CLOUT as a med, and I tried 2 rounds of this...no dice. I am not sure what to do, but sure would appreciate some advice, as am still a bit of a newbie. Thank you all in advance.
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OFL replied the topic: Nematodes

They sound more like planerian which can often get into your aquarium plants. Any chance of taking a photograpa. These little parasitic creatures won't harm your fish at all so there's no need to worry rare

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Cherasdad replied the topic: Nematodes

Thank you for the reply! No real plants, and planaria tend to be flatter and seen on the glass. These are thinner than hair and are free-floating. They are still for a second, then wiggle like they are electrocuted. Almost certain from the tons of research I have done that they are nematodes.
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OFL replied the topic: Nematodes

I say that don't really have any experience with nematodes whatsoever. This website is one that I often use for research and I think it's probably one of the ones you could rely on for reliable information

www.fishlore.com/fishforum/freshwater-fish-disease/41023-how-get-rid-camallanus-nematode-worms.html

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Jonesy replied the topic: Nematodes

Cherasdad,

As you probably already know nematodes are ruthless worms that are going to cause havoc and possibly or most likely kill your fish if not taken care of very soon. This was my experience and how I successfully rid myself of these worms. You have a couple options to chose from hear. First you can purchase something called Levamisole HCl Powder. Here is a link to where I purchased mine. Levamisole Powder Follow the instructions for your tank size. Here are the instructions.

1. Remove active carbon and UV lights from your filter (if any).
2. Feed your fish as you normally would.
3. Do a 50% water change with your favorite de-chlorinator.
4. Add Levamisole HCl Powder to your aquarium and keep the lights off for 24 hours. For best results, use newspaper to block out the light.
5. After 24 hours, do a 75% water change with your favorite de-chlorinator.
6. Repeat this process in 3 weeks time.

Disinfect all tools you use for your tank as well. Water changing equipment, nets, scrapers, etc.....

This will not only treat your tank but your fish as well, just in case the fish is infected. I have heard horror stories about people having to euthanize their fish that had worms because it got so bad there was nothing else that could be done. The only other option would have been to let the fish die by having it's stomach explode from excess worms.

If all else fails remove your fish and water and bleach everything. You will need to recycle your tank again but it's well worth it to save your fish. Be sure to also disinfect any cleaning tools and nets as well.


Jonesy
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Cherasdad replied the topic: Nematodes

Jonesy,

Thank you for the information. That is very surprising as far as the lethal potential of nematodes, as almost everything I have read indicates that the type I am seeing are harmless. Do I need to treat that aggressively?
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Jonesy replied the topic: Nematodes

Cherasdad,

There are over 20,000 different types of Nematode's that exist. So unless one is a Scientist or Biologist, I would recommend the old adage of better to be safe than sorry. Even in the event they are potentially not harmless, you would still want to get rid of them anyway, as taking the risk of them being parasitic is too high a risk. As far as treating aggressively, I would suggest not doing so as it is possible to overdose when using Levamisole. When I had Nematode's I went through such a nightmare of a situation that if it happened to me again I would treat the exact same way I did as described. Never underestimate the power of quarantining your fish from the start. I am not saying you don't I am just saying it is good practice. Of course Nematode's have adapted to many different environments so they could have come from most anywhere in your case.

Jonesy
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Cherasdad replied the topic: Nematodes

Jonesy,

Thank you so much for all that information. It's nice that you experienced pros can help newbies like myself. I ordered the treatment, thank you for that link, & I will act on your advice.

Thank you again!
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Jonesy replied the topic: Nematodes

Cherasdad,

In all honesty please post up your results. I always like to hear about others experiences when it comes to this type of situation. Like I said, in the rare event that treatment doesn't work, you will need to disinfect everything. Not a fun chore at all. However I have complete faith in Levamisole from personal experience.

Jonesy
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