04-19-2009, 09:23 PM
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Your barb, im sorry to say is most likely dying. I have tiger barbs too, and when ever they got stuck to the filter, it meant they were dying. sorry! as for the bullying, you have two options, remove the weak one from the tank, or provide alot of cover, (caves, plants, floating plants etc) for the little guy to hide in. it is possible that your water levels are too high, but if the other fish are not bieng affected, then it may just be that individual fish. what size tank do you have? i would suggest getting a small tank, to use as a hospital tank and to put the medicine in, so as not to affect your other fish, but there are no guarentees. the bargs have been known to be semi-aggressive, ( i have never seen this, in fact, my 4 are schooling in my 75 gallon tank), but they do chase eah other and nip sometimes.Good luck with the fish!