Is this a parasitic nematode? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 12-16-2019, 02:26 AM Thread Starter
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Exclamation Is this a parasitic nematode?

So I have a pact with the microorganisms in my tanks. If can't see them (unless I'm really close/looking hard) and they're harmless, they don't bother me. I had the lights on tonight to do some quick aquascaping in one of my nano tanks when I see this white worm in one of the nanos, noticeable from three feet away! It's very thin but stretches to nearly 12mm long, just wiggling away near the surface. I plucked it out with my tweezers and it curled up to nearly the size of a grain of sand before I stuck it in a petri dish with water. It's too thin for me to see its head clearly, even with a magnifying glass (I really need to get a microscope in general). Is this just a really big nematode? Is it parasitic (I hear they can be bigger than regular nematodes), or is it harmless like my other nematodes? Should I be concerned?

Picture reference, although this was not the full length it could stretch to, which was more like nearly 12mm at max.


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post #2 of 3 (permalink) Old 12-16-2019, 05:13 AM
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Id say harmless and any betta would have made a quick tasty snack of it. Probably Panagrellus species or maybe a vinegar eel type.
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post #3 of 3 (permalink) Old 12-17-2019, 01:31 AM
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If it swims like a snake, it's detritus. If it wriggles around with no direction, nematode.

That's about all I know!
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