Tropical Fish Keeping - Aquarium fish care and resources

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Boredomb 04-28-2013 06:49 PM

Creepy Crawly ID
Ok soo I am in the process of doing a water change in my 10gallon tank and I spotted an opaque spot on silicon in the corner of my tank. It has brown lines almost like a rib structures (the best way I can discribe it). At first I thought I had some kinda buildup on the tank so I touched it with my scraper and it moved! O.O

It moves like a worm and is about 1/2" big. What on earth is it?? How do you get rid of it or do you need to get rid of it??

I took pics but there are not the best sorry!

Is this something I even need to worry about??

AbbeysDad 04-28-2013 06:58 PM

I believe it's a planaria (a non parasitic flat worm). I had a couple some time ago after I added some new floating plants.
I think there are mixed reviews on the harm they may do to fish.
I played it safe and got rid of the ones I had (besides, as you said, they're a bit on the creepy crawler side.)

Boredomb 04-28-2013 07:22 PM

They don't have that arrow head like I have seen most Planaria have. Either way I managed to get it!
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MoneyMitch 04-28-2013 07:22 PM

I just got goose bumps yuck

Boredomb 04-28-2013 07:22 PM

I say they but I only saw one. LoL
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jentralala 04-28-2013 09:14 PM

omg I just got chills looking at that thing! I would have screamed and ran hahaha. Soooo creepy.

Boredomb 04-28-2013 10:07 PM

Haha I had to stop cleaning my tank and walk away for a min. Made this Thread and then went back and scooped it out with a net.

Robbin48 04-28-2013 10:49 PM

Kind of Jurassic Park(ish)

jentralala 04-28-2013 11:50 PM

I was thinking more along the lines of Alien, those things that launched themselves at your face?

brrrrrrrr I hope that's the last you see of those things!

Chesh 05-02-2013 02:06 PM


I *believe* there are different types of Planaria, so it's still possible. . . it does look like that could be an option.

Otherwise. . . could it be a limpet? Acroloxus lacustris, I think is the correct name for them. It's hard to tell on the size, it looks far too big, but I have a difficult time with scale on tank shots, as a rule.

Whatever it is (or was) I'm glad you got rid of it! Creepy crawlies are, well, CREEPY! Even if they're not harmful!!!

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