Tiger barbs grow to 3 inches! Plus they need room to swim so they develop properly. You either need a bigger tank or you need to rehome them. There are plenty of stock options for a ten gallon tank that would thrive.
Please read this profile so you will have a better understanding of the fish you have.
Tiger barb, Puntius tetrazona Profile, with care, maintenance requirements and breeding information for your tropical fish
Please read this profile so you will have a better understanding of the fish you have.
Tiger barb, Puntius tetrazona Profile, with care, maintenance requirements and breeding information for your tropical fish