Originally Posted by NoaDon12
ok, another question, my chinese algae eater is starting to rip scales off my gourami, and i was wondering if there is a way to keep the open spots from getting infected? i'm going to sell my algae eaterto someone else asap. but yeah, if there is some sort of medecation i could put in the water that would be great!
That behaviour is reportedly common with the CAE particularly as they mature. First thing is to separate them as soon as possible, and I would remove the CAE not the gourami because a stressed fish does not need more stress (being moved) and is more likely to recover if left where it is.
Second, once the aggressor is gone, monitor the gourami. If the environment is clean and the fish is not under stress from other issues, it may well heal on its own. This is always preferred to dumping stuff in the tank which while it may "help" it may also not, and either way cause more stress to this and other fish. More frequent partial water changes will not hurt and may help; use a good conditioner, and just change 1/3 or so of the water, alternate days or even every day for a week.
If fungus develops over the site(s), my preferred remedy is to carefully net the gourami and dab the fungus with either methylene blue or malachite green. I only do this if the fungus is obvious and severe enough to my mind to warrant intervention. I net the fish and keep it near the surface and using a cotton swab (Q-Tip) dip it in the methylene blue/malachite green then gently dab the fungus when I raise the fish just enough out of the water to do this, then back it goes. The dye will kill the fungus on contact and in a day or two the "fluff" (now coloured) disappears.
There are fungus preparations to add to the tank water; I have never used these because they are known to kill some fish, pencilfish comes to mind, and as I have these I am not about to kill them. The couple of times I noticed a patch of fungus I used the treatment I describe and it did the job. But again, leave the gourami and monitor it and only if absolutely necessary resort to medications.