I found this below on another site, and thought it looked like what your fish has, and hopefully will be helpful. Read below :)
Originally Posted by kharnage
Hello everyone, my dad has been raising fishes for years now and never really experienced any diseases (maybe some minor ones but nothing noticeable) but then a month or two ago these things (LOOK AT THE LINK ON THE BOTTOM FOR PICTURES) starting growing on my fishes. I don't understand what they are, I thought they were icks but then this is an entire patch of white spot not just tiny white spots. There are also black formations of the faces on my fishes.
I have blood parrots and my dad has been changing the water, raising the temperature and adding salt, nothing seems to be working. Every other day I see a fish die and I want that to stop. Can someone please tell me what my fishes have and what I can do to help them? LINK TO PICTURES BELOW fish help - Imgur
I appreciate ANY help I can get, I just want the fishes to live, thank you.
Attached are some photos showing her wound.
< This is actually not a wound but a Pseudomonas bacterial infection. This is usually caused by the poor water quality and the fish becoming stressed. The first thing I would do is clean the filters and do a water change of 30% with treated tap water. Use a gravel vacuum on the gravel to remove any detritus build up in the gravel. Check you ammonia and nitrate levels in your water. The bacteria actually feed off these while they are eating away at your fish. Your medication may have killed off the good bacteria in your filter system so watch out for ammonia , nitrite and nitrate spikes. Don't feed the tank for a week and let the fish clean out their guts. If they are hungry they can graze on the algae off the rocks like they do in nature.>
First I noticed that she wasn't eating, next day she had a small nasty wound on her side. I thought it could have been caused by some fighting (four more females and a male in the same tank plus a little acei which is doing very well for now). I separated her into a fry net to prevent any bites on her wound and treated the whole tank with Sera's Baktapur and Mycopur hoping to stop any bacterial or fungus infections. In about four days the wound got incredibly big. On her last day she was at the bottom of the net, trying to breath. She looked hopeless and in pain. I had to put her in the cold, dark freezer. A very lonely death for any creature I believe, and I don't feel very good about all that had happened. How could all that happen in just a week? What did I overlook? Anyway if you can have any idea by looking at the photos please let me know. It isn't very noticeable on the photos, the wound is open all the way to her spine, and one of her ribs were on the open. Looked incredible. As if she was eaten alive, or thorn apart.
Another bad news is that after about 10 days of her death I see another one not eating.
< You may also have a case of Malawi Bloat>
She actually looked like she was having difficulty emptying her bowels. She produced one piece of bubble like faeces. I have no idea what's going on and this makes me mad.
What is it? What should I do?
< Do all of the above. At the end of the week your fish should be very hungry and have their faces pressed against the front of the glass. If not they are probably infected and should be removed to another tank to be treated with Metronidazole( Hard to get with poor results). Tropheus from lake Tanganyika also come down with this problem I would recommend you go to JDTropheus.com
and read his solutions to this problem. I would not recommend treating the entire tank.>
Can I prevent it?
< In the wild your Mbuna come from Lake Malawi. The lake has a pH close to 8 and is very hard with lots of minerals. The water temperature is around 77 degrees. These fish usually eat algae off the rocks and require large amounts of vegetable matter in their diet. Worms tend to rot in their gut and give them problems. I would recommend a high quality vegetable flake and feed them small amounts a couple times a day. Keep up on your tank maintenance and your fish should bounce back. Bloat is very difficult to cure but very easy to prevent.>
I also realized I have some tiny little bugs in the tank. With the naked eye, they are oval shaped and move around on the surface. I just happened to notice their existence while I was examining the dead little one. I don't believe they are connected with her death.
< These are springtails and feed off the bits of fish food in the water. They are harmless and pose no threat to your tank or fish. -Chuck>
Any help is highly appreciated. It always feels very good to know that you people exist, especially on the dark days.
Thanks a lot,