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Black streaks/lines on goldfish


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  • Regular Member

1 of my goldfish has developed this black streak/lines for the past 3 weeks or so. and other 2 looks like they have fin rot. i checked the ammonia/nitrite/nitrate 0/0/20.

about 10 days ago, i started to put all 3 in quarantine tank. i raised the temp from 74 to 78F. added aquarium salt, melafix/pimafix. a few days ago i added kanaplex. still no improvements.

he seems to act normal the past few days but today has been laying in the corner

any other suggestions? what could it be and/or how to treat it? thanks so much!

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  • Regular Member

your nirate is high have you been doing water changes also if using tap water it needs to be neutralized before adding to your tank try doing large water changies and add some aquarium salt it looks like a burn on the fishes tail 

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  • Regular Member
  • Regular Member

Agree that it looks like melanophore migration. This is the result of burns. Can you post pics of the fin rot? Since the user posted temps in Fahrenheit, links to products sold in the UK probably aren't helpful. More frequent water changes are recommended definitely. Salt at .1% also is good. You may need something else if those don't help.

 

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  • Regular Member

i'll transfer him back to main tank, add aquarium salt, and do more frequent water changes.

i'll check back in 2 weeks for progress.  if not improving, i'll return for other advices.

 

thanks

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  • 2 weeks later...
  • Regular Member

2 weeks have gone by with no improvements.  while it's not getting worse, it's not getting better either with frequent (every few days water changes) and salt, raising temps.

i started adding methylene blue yesterday and we'll see.

any other suggestion is appreciated.

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  • Regular Member

maybe try giving him a little garlic to help boost his immune system l use garlic water and sock the food in it just need a few drops

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  • Admin

👋

Im going to move this to the Sick fish area..... If you can please fill this out for us... :)

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.?

"If copy and paste doesn't work for you, quote this post and put your answers after each question."

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