This could be normal coloration, but could also be a sign of a past ammonia burn (high level of ammonia in the water) which is healing.
If you've had the fish for some time, watch for other symptoms of ammonia poisoning as listed here: http://www.fishdeals.com/fish_diseases/ammonia_poisoning/ If symptoms appear, do a partial water change.
It's also common for the black marks (natural coloration due to genetics) to fade over time.
2007-05-02 15:41:03
·
answer #1
·
answered by copperhead 7
·
1⤊
1⤋
It's normal for goldfish to change color. Please see information below:
I would like to share with you the three most common reasons why goldfish change colors:
1- Genetics plays a big roll in the color of goldfish. When Goldfish Breeders pair their goldfish for breeding, they breed for good goldfish type and color. I'll use the beautiful moor as an example because it is one of the types of goldfish the goldfish breeders use in their goldfish breeding programs that proves my point.
I know you have seen pictures of, or even own a moor that is black as velvet with excellent goldfish type. Some moors will hold this beautiful black-velvet color while others will begin to turn gold. The reason some will turn gold is, in order to improve the bodies and or eyes of the moors, the goldfish breeders will use gold telescopes as a cross.
The goldfish breeders sort the fry (baby goldfish) for type and color at a very early stage in their lives. The fry that are black are moors, the fry that are any other color become telescopes. Now, if the genetics are just right, some of the moors will remain black their whole life, others will turn gold within six months or even years. Some will just have a light colored belly. I'm not saying that all goldfish breeders use this method of breeding, however, many of them do.
2- Goldfish Collectors with new goldfish become concerned when within a few weeks or months their GOLD goldfish start showing signs of big black patches of color on the body and fins. The black is a sign of healing. Like a "black and blue" mark on your arm after you hit it on something. The new fish have been knocked around, handled and bruised from the moment they left the country the were born in. When you bring them home and begin to give them some tender loving goldfish care, they begin to heal, that's when you see the "black". When I imported hundreds of show quality goldfish each year I was very happy to see the "black" on my GOLD goldfish, that's when I knew I had them strong and healing. It could take two weeks or longer for the "black" to disappear.
3- Now here's a color change that should throw up a big "RED FLAG" to any person who wants to give good goldfish care.
When the colors of you goldfish become very dull and your goldfish becomes inactive, act at once! This is a sign that could mean big health problems! Attention: One major cause of "dull color" are parasites!! Treat ASAP.
I've also had goldfish lose color because of a quick drop in pH. I've had goldfish become thin with dull color after major treatments of antibiotics. The reason? The "good bacteria" in their digestive tract was destroyed by the antibiotics. The nutrients of the food they were eating were not being absorbed into their system and they were starving. That's why we formulated our "Jump Start" to replace the "good bacteria" in their digestive tract. High quality probiotics are a must after any treatment of antibiotics or long sickness.
One and two above are nothing to worry about, but pay special attention to number three.
There are a few other things that could cause color change or dull color , such as poor quality food, and internal worms, however, the three above are the most common.
Another common culprit to color changing is color enhancing foods, especially spirulina for goldfish :)
2007-05-02 10:22:36
·
answer #2
·
answered by Barb R 5
·
0⤊
1⤋
I think its really all genetics. I had goldfish like that and he/she lived a happy healthy life and died of old age. Just keep an eye on the fish because people blame goldfish like that because they look different. Goldfish produce allot of ammonia and you usually get them from a big community of goldfish at the pet store and the more the goldfish the more the ammonia and the higher chance of sickness and death. If you see any usually activity with your fish, buy MelaFix that you can get at your local pet store. It cures open wounds and kill any bacteria in your tank.
2007-05-02 12:26:26
·
answer #3
·
answered by fishman 1
·
0⤊
0⤋
Sounds like a pretty fish. I wouldn't worry. Just watch it to see if anything chages. Enjoy your lovely fish.
2007-05-02 11:27:43
·
answer #4
·
answered by Mosh 2
·
0⤊
0⤋
If this is the way you purchased him yes, but I have never seen a fish illness that has those characteristics.
2007-05-02 10:19:13
·
answer #5
·
answered by 3LB0Y 2
·
0⤊
0⤋
yes he is fine, goldfish can have black splotches on them
2007-05-02 10:22:16
·
answer #6
·
answered by Frank K 3
·
0⤊
0⤋
yes its normal well not exactly normal but it doesnt mean that there is anything wrong with your fish it should be totally fine!!
Dont worry ;-)!
2007-05-02 10:19:09
·
answer #7
·
answered by Lydster 4
·
1⤊
0⤋
if it's on the fins i probably wouldent worry and if it doesen't bother it should be fine
2007-05-02 10:19:01
·
answer #8
·
answered by Brunette Diamond 5
·
1⤊
0⤋
Absolutely Normal.
Goldfish change color alot in their lives.
2007-05-02 12:33:25
·
answer #9
·
answered by Anonymous
·
0⤊
0⤋
yes im pretty sure thats normal
2007-05-02 10:20:20
·
answer #10
·
answered by hiimme 1
·
0⤊
0⤋