My friends Goldfish has red marks on his fins? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 01-07-2010, 05:01 PM Thread Starter
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My friends Goldfish has red marks on his fins?

He's been slowing down alot, and they already know the old guy is blind. But lately they've notice that he's got red lines and such on his fins. Ive got a couple pictures, they arent that well taken, but we need to know what we should do with him, they wont want to have to take him out of the tank, but if he'll get the other fish sick, they want to do that as soon as possible.

Heres some pictures.

Sorry the pictures arent that great, but we were having a hard time getting good pictures of him.

Please let me know ASAP.

Thanks in advance for any help!

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post #2 of 5 Old 01-07-2010, 05:20 PM
Twistersmom's Avatar
Poor goldfish. What size tank? How does the water test for ammonia and nitrites?
My guess, would be that it has specticemia, I am no expert. You can read more about Specticemia here.....
Post #25....
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post #3 of 5 Old 01-07-2010, 05:50 PM Thread Starter
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It's a 75 Gallon tank, it has 3 goldfish (counting this guy) and I think 3-4 other small fish. And the Algae eater. I believe thats all thats in the tank, as for ammonia and stuff, Im not sure. I'd have to wait until tomorrow to ask them because we're back at home now.
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post #4 of 5 Old 01-07-2010, 06:09 PM
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Yeah that tank is super overstocked if we are talking 2 other comets and a pleco here. Tell him to do a huge water change ASAP and keep us updated. He might want to consider a pond. Those commets will need about 100g each, and if he has a pleco add another 100g for him.

Then once he gets his water stats nailed down he can start medicating.
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post #5 of 5 Old 01-13-2010, 01:21 AM
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The stocking guideline, Kelly, is too much. For two comets, a 75g is adequate enough. Her tank is fine.

Scarletter, I am so sorry about your goldfish having health issues.

Could you please test your pH, ammonia, nitrite and nitrate?
Test kit used?
Maintenance schedule?
How thick is your gravel?

Chances are good the red streaks are caused by deteriorating water conditions as they usually do. I would do a large water change on this one and try to minimize the amount of substrate as much as possible while upgrading the filtration. Unfortunately, goldfish are very messy to begin with. I no longer consider substrate in my goldfish tanks for this reason.

What you can do here is do a water change as much as 70%, slowly remove the gravel and monitor water parameters regularly. If you detect ammonia and nitrite above zero, do another water change ASAP and use Prime to help detoxify the two substances.

Lastly, if your algae eater is a common pleco or Gyrinocheilus aymoneiri, I would advise rehoming this one. Both are incompatible with any goldfish due to potential damage they may cause by sucking the slime coat of your fish and injuring them.

Please do not hesitate to ask more questions. If possible, PM me after you reply to this so I can immediately catch up to this.

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