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Finnage

Orange goldfish turning black?

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Can orange goldfish turn black, I've seen a lot of black ones turn orange as they mature, but can the reverse be true?

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yes, indeed they can, i have one in my tank now who is growing some black on her fins. the black was not there when i got her, i've had her for about 4 weeks now and the black is natural colouring :)

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Does it happen only to baby goldfish or could it happen anytime?

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Does it happen only to baby goldfish or could it happen anytime?

Goldfish can change color any time in their lives.

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How about a pic?

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This is my first time uploading pic through tapatalk. Hopefully it shows.

a9unuruq.jpg

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The blackness is faint, but is kind of spread throughout his body.

I've had him since Dec 2011, and he has always been 100% orange.

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I have a Calico telescope that almost lost all of his black spots after 10 months (this last two weeks his colour changed- there was a suddent temperature decrease also). 8 months ago i had it breed with a female and had babies so i know he was already an adult.. They are full of surprizes!

Edited by Spyromon

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Does your tank get a lot of sunlight by any chance??

Most cases are the other end, loss of black coloring, but I believe Sakura had a goldfish in a small pond who's black became more intense ;) as long as your not having any ammonia issues I say congrats!!! I'm looking forward to picture updates as this progresses ;)

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No sunlight directly to the aquarium.

Ammonia was the first thought that came to mind, but I checked them and they are zero.

Would an undetected cycle bump caused ammonia burn? (fyi, I do twice weekly wc 40%)

Hopefully it's just a color change like what stakos said.

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The coloring does not really look like ammonia burns to me. It looks rather like the fish simply changing color a bit. :)

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Finnage,

Sorry to be off topic, but can you share with me the plants in that photo with your fish?

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My black oranda when he has new wen growth sometimes it comes out orange, but then quickly turns black. So I would say sometimes it is normal.

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Was this fish recently medicated or exposed to any chemicals, including salt? Black is melanophore migration, and can happen with any sort of chemical irritation or meds.

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@phil sorry, I don't know the name of that plant. It's not a common plant so I had a hard time remembering it.

@alex yes, I treated the tank with 0.1% salt a few weeks ago actually, He had some whitish spot on his skin then. It didn't look like ich to me, but it went away a few days after the salt treatment. The salt wasn't in the water for long, only a week. I've treated the tank with salt a few times in the past, but his skin never turned black on me. If it is in fact salt burn, does the black means it's healing?

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Hello,

At this point, these are just guesses :)

The only time black spots can be worrying is when the fish was in a pond, because then we would have to check to see that it's not metacerarial disease. Otherwise, in an indoor setting, black can only be either a color change, or healing from some sort of irritation. I was guessing that that it's a chemical burn, because it is diffuse and very lightly, almost like smudges. I tend to associate color changes with being more intensely colored.

Whatever the case, I don't think it's anything to worry about. It would be awesome if it is indeed the beginning of a color change.

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The thing is I find more and more black 'smudges' as the days pass by.

He's acting normal though so far.

Thanks anyways everyone!

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