Canister Filter SURPRISE!!! - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 09-16-2015, 03:45 PM Thread Starter
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Canister Filter SURPRISE!!!

After performing a water change on my 50g tank and doing some canister filter maintenance I discovered a happy little juvenile dwarf cray squirming around in my kitchen sink!! I'm used to finding oodles of bladder snails thriving in my filter. This was a much more pleasant surprise.

This is just days after losing a female maybe 24 hours after her eggs all disappeared (2nd female this has happened with. I suspect they're having a difficult time molting, since they were previously very healthy). So I'm pretty happy to have a "replacement" CPO.

What's the weirdest thing you've found in a filter?

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Fluval 406 filter
CO2Art Advance Professional Aquarium CO2 Dual Stage
Hydor Koralia Circ Pump - 425gph x2
DBP 20g long - low tech
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post #2 of 12 (permalink) Old 09-16-2015, 03:49 PM
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Congrats!

Now to solve why they die so suddenly.
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post #3 of 12 (permalink) Old 09-16-2015, 03:56 PM Thread Starter
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Congrats!

Now to solve why they die so suddenly.
Yeah, that one is stumping me. My male CPO has gotten HUGE (well, relatively. He's still a runty little crustacean). Females are healthy and reproducing...and then suddenly are not.

Deep Blue Professional 50g
Current USA Satellite+ Pro LEDs (24 & 36")
Fluval 406 filter
CO2Art Advance Professional Aquarium CO2 Dual Stage
Hydor Koralia Circ Pump - 425gph x2
DBP 20g long - low tech
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post #4 of 12 (permalink) Old 09-16-2015, 04:16 PM
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Congrats on the CPO!
If I'm not mistaken, they should breed easily. Just gotta figure out what's going wrong.

I have a hillstream tank, wasn't trying to breed the hillstream loaches, but saw a bunch of fry in the tank. Was happy to see all the little guys swimming around. Did a water change and filter maintenance later on and upon removing the biomedia and pads out of a HOB, I saw a few baby hillstream loach fry swimming in the settled mulm inside the HOB. Then I put them back in the tank.

I am surprised they survived being sucked up by the filter intake and not getting shredded by the impeller (this filter design seems all the water flows through the impeller, not just the impeller drawing water into the filter). Wasn't planning on them breeding so I had no prefilter on. Hillstream loaches are my favorite fish too so it was exciting to see the little rascals are all happy and creating little ones of their own.
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post #5 of 12 (permalink) Old 09-16-2015, 04:27 PM Thread Starter
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That's cool!

I kinda suspect my filter cray was a fertilized egg being sucked into the canister. I can't otherwise explain how he survived the impeller.

Deep Blue Professional 50g
Current USA Satellite+ Pro LEDs (24 & 36")
Fluval 406 filter
CO2Art Advance Professional Aquarium CO2 Dual Stage
Hydor Koralia Circ Pump - 425gph x2
DBP 20g long - low tech
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post #6 of 12 (permalink) Old 09-16-2015, 04:52 PM
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just the other day I was searching my 20l for my albino bn pleco, searched and searched, finally figured she must have burrowed down under some wood, so I turned off the lights and went to bed. two days later I did a wc and maintenance to the HOB filter, there she was swimming in the HOB, inches away from the spinning impeller (unexposed but still) seemed happy as a clam. she must have swam up the outflow portion what a douche.

-Jacklyn
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post #7 of 12 (permalink) Old 09-16-2015, 05:02 PM Thread Starter
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It really makes me wonder if there were other crays that went down the drain, though. I can't imagine that I only had one successful hatch of all the eggs the females in my tank have carried.

Deep Blue Professional 50g
Current USA Satellite+ Pro LEDs (24 & 36")
Fluval 406 filter
CO2Art Advance Professional Aquarium CO2 Dual Stage
Hydor Koralia Circ Pump - 425gph x2
DBP 20g long - low tech
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post #8 of 12 (permalink) Old 09-16-2015, 06:30 PM
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I find cherry shrimp in my tank all the time... and I find that some reef iodine... only a drop or 2 per gallon helped emmensley with my shrimp molting problems... I believe the stuff I bought was kents


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post #9 of 12 (permalink) Old 09-16-2015, 09:00 PM Thread Starter
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I find cherry shrimp in my tank all the time... and I find that some reef iodine... only a drop or 2 per gallon helped emmensley with my shrimp molting problems... I believe the stuff I bought was kents
I've got that in my Amazon shopping cart. Just need to check out. Wish I'd had that on-hand after the first female died. I'm very suspicious that that's the issue. I know they're otherwise very happy and healthy in my tank. Otherwise they wouldn't be carrying eggs and showing up in my filter! And my lone adult male CPO recently molted and is now HUGE! Not sure why the females are the ones having the issues.

Deep Blue Professional 50g
Current USA Satellite+ Pro LEDs (24 & 36")
Fluval 406 filter
CO2Art Advance Professional Aquarium CO2 Dual Stage
Hydor Koralia Circ Pump - 425gph x2
DBP 20g long - low tech
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post #10 of 12 (permalink) Old 09-16-2015, 09:09 PM
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I have seen many people use nets or strainers when emptying canisters for this reason. Looks like they found a nice place to hang out without predation.
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post #11 of 12 (permalink) Old 09-17-2015, 04:52 PM Thread Starter
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I have seen many people use nets or strainers when emptying canisters for this reason. Looks like they found a nice place to hang out without predation.
Yeah, I can see why. It never occurred to me in a million years that if bladder snails could thrive in there, that so could more advanced critters.

Unfortunately I suspect that my new little pet is not long for this world. I'm not terribly surprised. Before dumping out all the water in the canister I was sloshing all of my various physical and bio media around in the bottom, then he was dumped into the kitchen sink and transported to my aquarium as soon as I realized what the little squirmy thing was in the sink. Went from probably never seeing light to suddenly a brightly lit home. He's alive in a back corner of my tank, but just barely. And I suspect a big ghost shrimp was picking on the little tyke. Bummer. I'm already kind of fond of the teeny badass.

Deep Blue Professional 50g
Current USA Satellite+ Pro LEDs (24 & 36")
Fluval 406 filter
CO2Art Advance Professional Aquarium CO2 Dual Stage
Hydor Koralia Circ Pump - 425gph x2
DBP 20g long - low tech
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post #12 of 12 (permalink) Old 09-17-2015, 05:06 PM
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It survived all that, so there is still hope. Good luck.
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