so i got 3 tropheus with black spots/blotches. looked all over the forum for pics of past post on the "black spots" but couldnt find any so ill post some pics of mine and tell me what you think! i know its not normal and this is the first time ive seen anything like this. is it a parasite? ive done the whole sea salt and temp. up but no luck. it started off very small and now its somewhat spread from one side of the tropheus to the other and on their fins? can yall help me out 