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Moncrief2315 06-11-2019 11:35 AM

White worm like things on glass??
1 Attachment(s)
Hello. I woke up this morning to what looks like little white worms on the glass on one side of my tank. Canít see them moving. Not sure if itís just the glass getting dirty or actually worms. Anybody know what this is. Thanks Attachment 313102

King Fisher 06-14-2019 01:21 AM


JackBinimbul 07-18-2019 11:03 PM

If they are thread-like and all the same width from head to tail, they are probably detritus worms. Especially if you can see little segments if you look very closely. They will seem somewhat blue in the light. If you get some magnification going, they usually have cilia, that is, fine hair like projections down their bodies. Sometimes you see them in the water column squiggling around like they have no idea how swimming works. On the glass, they inch like earthworms. They are more common in new tanks. They are just eating junk, they are harmless and usually subside as the tank matures. Thin them out faster by avoiding over feeding.
These are detritus worms.

Planaria are fatter at the head and there are numerous species. Some are harmful, most are not. They are a group of flatworms and are actually food for a lot of fish.
They also happen in new or overfed tanks. This is a planaria.

TL;DR they are very likely harmless. Don't over feed. Both species are often eaten by smaller fish. Wait them out if it's a new tank.

King Fisher 07-19-2019 02:57 AM

I think Jack is right. Dietrus worms would be my strong guess.

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