Help! Can anyone identify this worm I found in my aquarium? - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 08-05-2014, 10:40 PM Thread Starter
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Help! Can anyone identify this worm I found in my aquarium?

I just found this purple worm/caterpillar in my fish tank. Also, one of my ghost shrimp was attempting to eat it when I found it. I have no idea where it could have come from... Can someone help me identify it? Also, it's around an inch long...Click image for larger version

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post #2 of 12 (permalink) Old 08-05-2014, 10:54 PM
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i saw some of those at a pet shop recently. they said they were hornworms. meant for feeding large lizards. the ones i saw were a blue / light blue / teal kind of color, but they were very similar to the one you posted.
could have hitched a ride from the petshop via some new driftwood or plants maybe (???)
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post #3 of 12 (permalink) Old 08-06-2014, 01:25 AM Thread Starter
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Thanks, although I sort of doubt that it hitched a ride recently. This is because I haven't put anything new into my fish tank for the last couple of months. (I haven't been to the pet store since January.)

But maybe it is one of those hornworms... however, I don't see any horns.
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post #4 of 12 (permalink) Old 08-06-2014, 02:09 AM
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it is not a horn worm.
<--- reptile keeper

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post #5 of 12 (permalink) Old 08-06-2014, 03:41 AM
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post #6 of 12 (permalink) Old 08-06-2014, 03:42 AM
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Wait this thing lived for months with no air?
+1 doesn't look aquatic in nature....

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post #7 of 12 (permalink) Old 08-06-2014, 03:51 AM
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It looks like a grub of some kind. I tried an image search but I couldn't handle looking at grub photos long enough to figure it out.
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post #8 of 12 (permalink) Old 08-06-2014, 03:44 PM Thread Starter
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Well, here's another picture...

Oh yeah, it's not responding to my poking so it might be dead... Although it changed positions from last night so...

*Edit*

It's definitely alive because when I dunked it in the water, it started moving!

Last edited by Leafy; 08-06-2014 at 05:35 PM. Reason: Addition of info to post
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post #9 of 12 (permalink) Old 08-06-2014, 08:27 PM
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Feed it some leaves and grass and see what you get ..... butterfly maybe?

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post #10 of 12 (permalink) Old 08-06-2014, 08:33 PM
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caterpillar

It could be an aquatic moth: http://www.west-fly-fishing.com/ento...ic-moths.shtml

If it IS an aquatic lepidoptera, then out of the water it would most likely die yes?

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post #11 of 12 (permalink) Old 08-06-2014, 11:32 PM
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Not sure how it got there, but I'm going to guess it's a Noctuid larva. Probably Mythimna sp.
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post #12 of 12 (permalink) Old 08-07-2014, 04:18 AM
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Quote:
Originally Posted by Leafy View Post
Attachment 353938

Well, here's another picture...

Oh yeah, it's not responding to my poking so it might be dead... Although it changed positions from last night so...

*Edit*

It's definitely alive because when I dunked it in the water, it started moving!
Put it in the water long enough, probably not going to move anymore…
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