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Occasionally Goldfish Displays Purple Fins


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  • Regular Member

Hello,

 

I have noticed occasionally one of goldies would have purple spots on top fin: http://i.imgur.com/ehSrXQp.jpg

I didn't see purple fins on another goldie though. I have noticed this happens often after I feed him Tetra sticks: http://i.imgur.com/dKhrBcp.jpg

 

I haven't fed goldie Tetra sticks for some time now but today I observed those purple spots again. It was after yesterday when I gave him ready pasta. Sometimes I would give goldies pasta and all would be okay. I think pasta I gave goldie yesterday causes purple spots. I can't be sure but is it known that goldies can have allergies?

 

Thanks

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  • Regular Member

That looks like a bacterial infection to me.  Can you check the expiration date on the fish food.  I wouldn't feed the fish pasta as it is just simple carbohydrates which aren't the best for Goldfish digestion.  Please also fill out this form so we can help you make a proper diagnosis:

 

Please copy & paste fill the following form and fill it out to the best of your ability when requesting help for Goldfish Problems:

  • Test Results for the Following:
    • * Ammonia Level(Tank)
    • * Nitrite Level(Tank)
    • * Nitrate level(Tank)
    • * Ammonia Level(Tap)
    • * Nitrite Level(Tap)
    • * Nitrate level(Tap)
    • * Ph Level, Tank (If possible, KH, GH and chloramines)
    • * Ph Level, Tap (If possible, KH, GH and chloramines)
    • Other Required Info:
      • * Brand of test-kit used and whether strips or drops?
      • * Water temperature?
      • * Tank size (how many gals.) and how long has it been running?
      • * What is the name and "size of the filter"(s)?
      • * How often do you change the water and how much?
  • * How many days ago was the last water change and how much did you change?
  • * How many fish in the tank and their size?
  • * What kind of water additives or conditioners?
  • * What do you feed your fish and how often?
  • * Any new fish added to the tank?
  • * Any medications added to the tank?
  • * List entire medication/treatment history for fish and tank. Please include salt, Prazi, PP, etc and the approximate time and duration of treatment.
  • * Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus?
  • * Any unusual behavior like staying at the bottom, not eating, etc.?

 

Thanks and Welcome :)

Edited by Jared
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  • Regular Member

Please copy and fill in the form Jared posted.  You can find some help with answers here.

 

I haven't found any way of searching for allergic reaction in fish which doesn't just give allergic reactions in humans to fish.  I assume that fish, like humans, can have food sensitivities other than allergies.  I 

 

Try a different food.

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  • Regular Member

Purple spots almost gone so I suspect it was pasta. Sticks have 02/17 expiration date on packaging but will need to find other food. Granules are too small for them, flakes create a mess... Here's information requested but it's partial:
 

* Brand of test-kit used and whether strips or drops?
I don't have this
 
* Water temperature?
Can't tell at the moment. Rooms temperature is 30C if that helps.
 
* Tank size (how many gals.) and how long has it been running?
20L, 2-3 years

* What is the name and "size of the filter"(s)?
JEBO
 
* How often do you change the water and how much?
3 times per week, full tank
 
* How many days ago was the last water change and how much did you change?
Today, full tank
 
* How many fish in the tank and their size?
2 goldies, ~6" and ~4"
 
* What kind of water additives or conditioners?
None
 
* What do you feed your fish and how often?
Morning - 4-5 stripped geen peas. Afternoon -  sticks/bread/rice flakes
 
* Any new fish added to the tank?
No
 
* Any medications added to the tank?
No
 
* Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus?
Bloody streaks could be on one in question, slightly noticeable on his face
 
* Any unusual behavior like staying at the bottom, not eating, etc.?
No
Edited by musterbeard
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  • Regular Member

Let's make this easier to read.

 

  • Test Results for the Following:
    • * Ammonia Level(Tank)
    • * Nitrite Level(Tank)
    • * Nitrate level(Tank)
    • * Ammonia Level(Tap)
    • * Nitrite Level(Tap)
    • * Nitrate level(Tap)
    • * Ph Level, Tank (If possible, KH, GH and chloramines)
    • * Ph Level, Tap (If possible, KH, GH and chloramines)
    • Other Required Info:
      • * Brand of test-kit used and whether strips or drops? none
      • * Water temperature? 30C
      • * Tank size (how many gals.) and how long has it been running? 20L, (5 gallons) 2-3 years

         

      • * What is the name and "size of the filter"(s)? JEBO

         

      • * How often do you change the water and how much? 3 times per week, full tank

         

  • * How many days ago was the last water change and how much did you change? Today, full tank

     

  • * How many fish in the tank and their size? 2 goldies, ~6" and ~4"

     

  • * What kind of water additives or conditioners? none
  •  
  • * What do you feed your fish and how often? Morning - 4-5 stripped geen peas. Afternoon -  sticks/bread/rice flakes

     

  • * Any new fish added to the tank? No
  •  
  • * Any medications added to the tank? No
  •  
  • * List entire medication/treatment history for fish and tank. Please include salt, Prazi, PP, etc and the approximate time and duration of treatment.
  •  
  • * Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus? Bloody streaks could be on one in question, slightly noticeable on his face

     

  • * Any unusual behavior like staying at the bottom, not eating, etc.? No

Please read our guidelines for healthy goldfish.   You will see your tank differs greatly from out recommendations.  Even with daily 100% water changes you need more than  10L per fish to have a stable, healthy environment.  

 

Bread and rice don't make good fish food.

 

Can you get a test kit?  Without the test  information we can only make wild guesses about what ails your fish, and we don't do that.

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