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Author Topic: my dead goldfish  (Read 960 times)
briexcell
Newbie
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Karma: 1
Posts: 3



my dead goldfish
« on: May 04, 2011, 07:27:25 AM »

Hi,

I'm a newbie. I'm a koi enthusiast (although still new to the hobby). My first pet though are goldfishes and one just died last night after I did a 100% water change. I wonder what happened. It was the second time I did a 100% water change. The first one was they were all OK. I did the same routine. I'm so sad. I'm an animal lover and I know my fishes aren't that good-looking but I still love them sssoo much.. I haven't eat since last night.. By the way, I have a 50 gallon tank and there are only 3 goldfishes on it.
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Littlefishy
Jr. Member
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Karma: 9
Posts: 54



Re: my dead goldfish
« Reply #1 on: May 04, 2011, 12:03:19 PM »

poor you. its always sad when a little fish dies
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fantailer
Sr. Member
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Karma: 122
Posts: 1629



Re: my dead goldfish
« Reply #2 on: May 04, 2011, 06:39:22 PM »

It has a abnormally large belly maybe some internal disease. The 100% waterchanges stress fish and could have also killed him. I'm sorry your fish died R. I. P. Cry
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briexcell
Newbie
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Karma: 1
Posts: 3



Re: my dead goldfish
« Reply #3 on: May 05, 2011, 07:35:07 AM »

I still can't get over my meimei. meimei's his name. I so love him so much and I missed him already..huhuhuhu
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Nossie
Hero Member
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Karma: 481
Posts: 5469



Re: my dead goldfish
« Reply #4 on: May 05, 2011, 02:38:42 PM »

It's sadly probably only because you changed 100% of the water. By doing so, you're destroying the beneficial bacteria, i.e. the biological filter. And you're basically killing what would actually keep your fish healthy, the bacteria that changes ammonia into nitrites and nitrates. Ammonia is incredibly toxic, and that is what killed your fish. It probably got an internal infection because of the bad water quality, hence the swollen abdomen. When it gets this far though, there's not much you can do since the internal organs have most likely been destroyed by the illness.

From now on, try to let your tank cycle by doing 50% water changes once a week instead Wink Buy some beneficial bacteria and add it regularly to your filter, also keep track on the water parameters, buy a test kit with tests for pH, ammonia, nitrite and nitrate, test daily the first few weeks and change water whenever the ammonia gets too high!
If you love your pets, this'll help you keep them alive and healthy a lot longer Smiley
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