I have 5 angels together in a 120 that were raised as fry - most have marks similar to the attached picture - the gold ones have very few (the large male only 2; the female 2 or 3 but much smaller). The question is - is this being caused by another fish (such as a bn pleco sucking the slime); or is it a disease. I do not believe this is caused by angel<->angel aggression. The other tank mates include clown loaches, yoyo loaches, L204, bn pleco, 3 or 4 female kribs (left overs; thankfully i was able to remove all the males) and much smaller fishes that are extremely docile (like cardinals).
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The aquarium has been setup for around 3 years - this set is less violent than other angles i've kept (possibly because they were raised from eggs) and i do not believe this is due to angel<->angel aggression. I believe it is either a disease or another fish. I've gotten suggestion from other people (mostly from people who have never kept angels or anything more complicated than a guppy) and am hopeful for some advice from someone who has seen these sort of marks before...
I want to stress while i'm only showing the picture of one fish they all have similar damage. If it is a disease how would you treat it without removing the fishes (I have no qt tank large enough for these fellows - they are too large for a 29).
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The aquarium has been setup for around 3 years - this set is less violent than other angles i've kept (possibly because they were raised from eggs) and i do not believe this is due to angel<->angel aggression. I believe it is either a disease or another fish. I've gotten suggestion from other people (mostly from people who have never kept angels or anything more complicated than a guppy) and am hopeful for some advice from someone who has seen these sort of marks before...
I want to stress while i'm only showing the picture of one fish they all have similar damage. If it is a disease how would you treat it without removing the fishes (I have no qt tank large enough for these fellows - they are too large for a 29).