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Is this a disease and will it affect my other fish? please help.

2007-07-19 18:06:25 · 5 answers · asked by Anonymous in Pets Fish

Its turning like solid blackish.

2007-07-19 18:21:43 · update #1

I dont know if its ich. I raised the water temperture. He also keeps scratching on the red tailed shark's cave.

2007-07-19 18:45:56 · update #2

5 answers

By 'turning black' do you mean solid black or small dark spots?

Solid black. According to this chart: http://www.klsnet.com/files/fishchart.htm
Which I use because I'm not a vetrinarian, that symptom suggests Myxobacteriosis, but states that this is rare.
Do you notice either of these symptoms:
Erratic swimming, bloating or swelling in body? They are signs of the same disease.

2007-07-19 18:13:15 · answer #1 · answered by Jason C 3 · 0 0

Turning black can indicate some problem with an irritant or the water quality. This is something like a chemical burn or bruise in people.

Do you test your water? You may have some ammonia, nitrite, or nitrate building up. Or have you used any medication or chemicals other than what would be used to remove chlorine or chloramine?

You may want to check the surface of the fish's skin to see if you notice any parasites. Is he showing any other symptoms (labored breathing, loss of appetite, lethargy, flashing (scratching against objects in the tank)? It's also a possibility that this is from a physical injury if he tried to jump out and hit the lights/filter.


ADDITION: The cause wouldn't have to be ich. With ich, you should see the white spots before you'd notice the fish turning black from damage. Does s/he show any signs of bloating?

Along with the possibility of myxosporidosis (which is rare), cryptobiosis could be a possibility, although this is more common in salmon and cichlids. Another possibility (from the skin coloration) would be an internal flagellate infection, but this shouldn't cause the fish to be scratching.

If at all possible, I would try to isolate this fish from the other until you know the cause. In the case that this one may just be more sensitive to something in the tank, I'd try a partial water change - this may remove the cause if it is an irritant in the water.

2007-07-19 18:42:17 · answer #2 · answered by copperhead 7 · 1 1

Hi!! I think I may have found something that your fish sounds like it has:
Myxobacteriosis


Symptoms: Symptoms may include black patches on the body and fins. The body may become bloated or swollen in some areas.

Treatment: As far as I know, there is only one medication designed specifically for myxobacteriosis--Phenocide by Aquatronics.

Information: This infection is rather uncommon but fairly easy to treat. Its probability is intensified by overcrowding and poor water quality with high levels of ammonia and / or nitrites.

Im sorry if this doesnt sound like it or if im too late, i just wanted to try and help you out of the ditch your in with your fish :] Good luck

2007-07-26 10:45:23 · answer #3 · answered by Anonymous · 0 0

I think it is the water. One fish might be too sensetive. Change the water more often. I think it will help!

2007-07-26 22:01:23 · answer #4 · answered by thiagoacesnof 2 · 0 0

Mine turn black, its nothing to worry about, its all about superiority in the tank. they also fight by kissing to see who is the strongest.Great fish to keep

2015-09-23 08:58:40 · answer #5 · answered by Graham 1 · 0 0

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