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Vet
Vet, Veterinarian
Category: Vet
Satisfied Customers: 83
Experience:  I have spent many years in mixed practice, dealing with all the major species.
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Our goldfish who is about 15 months old, is barely moving and

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Our goldfish who is about 15 months old, is barely moving and gasping at bottom of tank. We've had him for a year and change a third of the water and clean the filter every fortnight. We are all very worried. I can't see anything different in his colour or scales. He's been like this for about 72 hours now.
Submitted: 2 years ago.
Category: Vet
Expert:  Vet replied 2 years ago.
Vet : Hi there, vet Andrew here. I'm sorry to hear you're having problems with your fish. Are you at your computer?
Vet : Vet Andrew here again. There seems to be some glitch that has repeated my initial greeting four times. Hopefully everything is working now.
Customer: I am it's a bit tricky I'm typing on the phone
Expert:  Vet replied 2 years ago.
Our chat has ended, but you can still continue to ask me questions here until you are satisfied with your answer. Come back to this page to view our conversation and any other new information.

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Expert:  Vet replied 2 years ago.
Hi, I've switch to Q and A format as it might be easier for you. Have you recently changed the water?
Customer: replied 2 years ago.
Yes we changed the water tonight and cleaned the filter
Expert:  Vet replied 2 years ago.
The most likely cause of the problem, assuming there are no swellings or other ill health on the fish itself, is ammonia poisoning. A small goldfish needs to live in about 20 gallons of water; any less, and ammonia can build up too quickly. This can happen, paradoxically, even quicker if you clean the stones and other ornaments in the tank as these harbour bacteria that break down the ammonia.I recommend that, in the short term, you change 50% of the water and don't clean anything else. This should be done weekly anyway, but continue to change 25% of the water every other day until you see signs of recovery. . If you have any water conditioner, use it. Tomorrow, go to your nearest pet shop and get a decent water test kit which can tell you how the levels of ammonia, nitrite and nitrate are behaving. I find this website helpful for goldfish owners: http://www.myaquariumclub.com/goldfish-101-11174823.htmlPlease let me know if you have any further questions.
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Customer: replied 2 years ago.
But we only changed a third of the water every fortnight as instructed and the tank looks filthy to me but apparently it's meant to... We've just been up to check and he's still listless poor thing. Is there anything I can do?
Expert:  Vet replied 2 years ago.
Sorry, I updated my response above so please check that. As I say, a 50% water change, with conditioner if possible, should give him immediate help but he may not be completely back to his old self for 24 hours or so. How big is your tank?