Underwater caterpillar - video
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Old 10-21-2012, 08:46 PM   #1
tinkerpuppet
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Underwater caterpillar - video


Today I found this creature in my 10g. I just filled it two weeks ago with new plants from my LFS. I've pulled it out and have it in a little dish of water. Not sure what to do with it. From searching, I think its best to dispose of it, but apart from a few pictures, I didn't see anything exactly looking the same. I took a video, one thing that crossed my mind as a very small possibility is that its a molted amano shrimp without a shell. Very strange whatever it is!

http://youtu.be/MEt-kw3JkIw

Last edited by tinkerpuppet; 10-21-2012 at 10:00 PM.. Reason: video
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Old 10-21-2012, 08:50 PM   #2
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WOW! That literally looks like an underwater caterpillar :O. Looks nothing like a shrimp.. haha
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Old 10-21-2012, 08:56 PM   #3
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It's definitely a caterpillar and not an Amano shrimp. However I have no clue what kind it is. I know there is a caterpillar from Hawaii that can live under water for several weeks and scientists still aren't sure how. Either way I don't think I would put it back in the tank as most caterpillars eat leaves and the ones that they found living underwater were eating on snails. Very strange indeed.
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Old 10-21-2012, 09:53 PM   #4
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No idea what that is. Caterpillars are pre-metamorphosized butterflies though, so I doubt that's what this is...
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Old 10-21-2012, 10:13 PM   #5
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caddisfly larvae from what I can find. Feeds on algae and plants. The matured fly looks kinda pretty in some specimens. There's close to 400 different kinds in existence from what I gather.

"After spending six to 10 months in the larval stage, caddisflies form cocoons. Once transformed into a pupa, the insect cuts its way out of the case;if it built one;and makes its way to the surface of the water, where it breaks out of its pupal exoskeleton and emerges as a winged adult."
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Old 10-22-2012, 12:22 AM   #6
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It just looks like a caterpillar that found its way into your aquarium to me...
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Old 10-22-2012, 12:24 AM   #7
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Quote:
Originally Posted by Soothing Shrimp View Post
caddisfly larvae from what I can find. Feeds on algae and plants. The matured fly looks kinda pretty in some specimens. There's close to 400 different kinds in existence from what I gather.

"After spending six to 10 months in the larval stage, caddisflies form cocoons. Once transformed into a pupa, the insect cuts its way out of the case;if it built one;and makes its way to the surface of the water, where it breaks out of its pupal exoskeleton and emerges as a winged adult."
+1 Caddisfly larvae make a tube out of what they can find, to protect itself until it can metamorphose.
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Old 10-22-2012, 01:53 AM   #8
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another +1 on the caddisfly

before I even looked at the video, caddisfly larva was what came to mind. plus, the way it had that 'tube' of ...leaves? behind it, and how all it's legs were right up at the front.

I don't think they tend to be predatory, but it's been a while since I've read/studied anything to do with insects or aquatic ecosystems, so...

might be interesting to put it in the tank and see how it works out, as long as it's not doing too much damage.

I'd also keep an eye out for other potential hitchhikers, especially things like dragonfly larvae.

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Old 10-22-2012, 02:31 AM   #9
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Thank you all! That's really interesting, and definitely looks like what I have.
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