ID please - SOLVED - Clogmia larva - The Planted Tank Forum
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post #1 of 6 (permalink) Old 04-17-2018, 12:24 AM Thread Starter
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ID please - SOLVED - Clogmia larva

Not sure where else to post this, we need a section for parasites. Anyway, here goes - Found this crawling just like a caterpillar on the wood in my tank. Never seen anything like this. Definitely aquatic too, not a terrestrial that accidentally fell into the water. It couldn't function once removed and placed on a dry surface. When bumped into the water column, it does not wiggle like a mosquito larvae, nor does it wriggle like detritus worms when they're kicked up. It just sort of drifted along.

That's the end of my thumb in the pic, it's laying on a paper towel. The head is closest to my thumb. Threw it in a mason jar of water, see if maybe it is a larval state of a terrestrial.

Any help is appreciated. Thanks.
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Last edited by mgeorges; 04-18-2018 at 01:51 PM. Reason: Solved
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post #2 of 6 (permalink) Old 04-17-2018, 09:38 PM Thread Starter
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It died overnight. I put it in a mason jar of tap water with a drop of Prime, it was coming from VERY different water parameters in the tank.

Anyone have any ideas? Not everyday you find what looks like a caterpillar in your tank!
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post #3 of 6 (permalink) Old 04-17-2018, 09:41 PM
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I saw something similar come out a piece of driftwood when I boiled it. Needless to say, it died. lol
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post #4 of 6 (permalink) Old 04-18-2018, 03:31 AM
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Quote:
Originally Posted by mgeorges View Post
Not sure where else to post this, we need a section for parasites. Anyway, here goes - Found this crawling just like a caterpillar on the wood in my tank. Never seen anything like this. Definitely aquatic too, not a terrestrial that accidentally fell into the water. It couldn't function once removed and placed on a dry surface. When bumped into the water column, it does not wiggle like a mosquito larvae, nor does it wriggle like detritus worms when they're kicked up. It just sort of drifted along.

That's the end of my thumb in the pic, it's laying on a paper towel. The head is closest to my thumb. Threw it in a mason jar of water, see if maybe it is a larval state of a terrestrial.

Any help is appreciated. Thanks.
Looks a lot like a midge larva, specifically a chironomid but can't be sure. That's a fly fisherman's guess at least!
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post #5 of 6 (permalink) Old 04-18-2018, 06:13 AM
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I think it's an Acentropinae caterpillar. I don't know what variety, but they live in wetland and the caterpillar live in water eating plants under water.
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post #6 of 6 (permalink) Old 04-18-2018, 01:47 PM Thread Starter
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I saw something similar come out a piece of driftwood when I boiled it. Needless to say, it died. lol
Hahaha, poor little guy!

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Looks a lot like a midge larva, specifically a chironomid but can't be sure. That's a fly fisherman's guess at least!
You're very close! I've been noticing Clogmia flies(drain flies) in the house lately and last night, I started Googl'ing them. When I saw a pic of the larva, I knew I had my culprit! Mystery solved! Glad to know it's not something dangerous to my fish or shrimp.
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