joff_nz Posted May 30, 2012 Report Share Posted May 30, 2012 I've picked up last week my first betta. Red with some blue accents, presume he is a VT although his fins are still quite short, pics to come. I have noticed about 2/3 days after settling in there is a small black line along part of the far edge of his tail. After some quick research I'm led to think it may be fin rot, which would be caused by stress or poor water conditions. The tank is around 2 months old, was cycled using borrowed live fish. Water tests about 3 weeks ago were all fine. He lives in an aqua one ar380 34litre tank with one guppy and a young bristlenose. Tank has some driftwood and a fair bit of moss. I do wonder if the overhead built in filter is a bit much for him and could be a source of stress, although he doesn't really seem bothered by it and has areas in the tank which have very little movement where he sometimes hangs out. What should I do about his black line, is there anything else it may be that I should investigate? Quote Link to comment Share on other sites More sharing options...
F15hguy Posted May 30, 2012 Report Share Posted May 30, 2012 I have a similar tank and found the filter current to be quite strong, fixed it up by using strategically placed driftwood and artificial plants, could probably use valisineria to the same effect, m,y fighter likes to sit in his back eddy waiting for a feed (or to show off to his reflection =P Quote Link to comment Share on other sites More sharing options...
MarkLB Posted May 30, 2012 Report Share Posted May 30, 2012 Hi If it's being caused by bad water conditions then waterchanges will soon take care of that. Keep an eye on the Guppy, they like to nip the fins of Bettas and could be the cause of stress and fin damage. Quote Link to comment Share on other sites More sharing options...
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