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J_Rich

Shubunkin Goldfish Needs Help!!!

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Hello,

I have a Shubunkin Goldfish that has a health problem I can’t solve. It started 4 days ago. I first noticed him swimming funny and acting lethargic. Also, I have a few Flying Foxes in the tank and they appeared to be nibbling at the base of his tail, but the Shubunkin was okay with them doing it and he didn’t try to get away. So I thought maybe he had a parasite and I started treating the aquarium with parasite meds. Now 4 days later he is no better. He is still swimming (kind of) and he’s eating everyday which is a good sign. Here is my fish tank parameters:

-65 gallon tank

-I only use reverse osmosis water for all water changes, I test for ammonia and nitrates every 2 weeks. They always remain at zero.

- I have a constant PPM (Parts per million) reader and I never let it get above 200 PPM

-PH stays steady at 7.1

-Temp is a steady 69 degrees Fahrenheit 

-Fluval 5 stage filter and I follow all recommended filter changes/maintenance 

-No new fish have been added in over 2 years

-Every other fish in my tank seems perfectly healthy

Any help or guidance would be appreciated. I don’t want my little buddy to die. I plan on upgrading there tank to a 250 gallon and want him to live long enough to see his new pad.

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Hi there! Something jumped out at me - we don’t advise RO water because it is stripped of the minerals your fish need to regulate their osmotic balance, are you adding those back in?

That does look like an injury, goldfish are best kept with their own species because of how delicate they are, and non aggressive, but if you’ve had the flying foxes in there for two years then it probably hasn’t been a big issue. So my suggestion first and foremost is that you quarantine this fish and let him heal alone before reintroducing him and seeing if the nibbling starts up again.

No meds right now except methylene blue or aquarium salt - your choice. We would want a big underbed tote if you don’t have a hospital tank. Do you want me to walk you through the setup? 

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Oh no....I thought I was doing good by using RO. I’ve never added minerals back in, only a bacterial supplement with each water change. I’ll stop using RO. 
 

I do have an empty 5 gallon tank I’ll transfer him into but I’ll need to buy a bubbler and small heater tomorrow. I’ll have to pick up some methylene blue as well. 
 

The fish have never fought or had injuries before that I’ve seen. The one who’s hurt is the smallest goldfish though, so he must’ve got his tail kicked I guess. Thanks for the advice. I’ll let you know how it goes after he’s isolated for a few days. 
 

Thanks!

Joe 

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Sounds good, with a smaller quarantine tank just be sure to watch the parameters closely and feed very lightly. With five gallons or ten gallons and a full sized goldfish I find I need to change the water twice per day to keep the ammonia at bay. Anything over .25 ppms needs to be changed :) 

I’m thinking two weeks or so to heal on his own should give us time to tell if it is just the injury or if there is an underlying issue. I’d use 1/4 tsp meth blue for 5 gallons as an antiseptic, but if the wound starts looking more ragged we can swab it in directly as well.

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Hi Arctic Mama,

I ordered methylene blue and in the mean time I’ve been using aquarium salt and doing two 50% water changes per day. He’s already improving a ton and his tail is close to all better. He’s swimming around a lot more eating better. I’m going to give him another 10 days in quarantine (while we’re in quarantine). It looks like he should be just fine! Thanks for the help ✌️😘

 

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Great, glad that did it! Just keep an eye on the nibblers, if they chase or bully him the tank may need to be separated by species.  Could be a one off, given the long history. But sometimes once you get a nipper they stay that way.

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