tin foil barbs

Hello, I have a tinfoil barb of age around 2 years. A week ago it was healthy, active and eating food regularly. But suddenly I spotted blood on its scales and it was spreading to its other scales as well. However, the fish is eating properly and active as hell even now. Please help me, i dont...

Hello All,  I just recently inherited a 55 gallon tank that was being occupied by a 8 inch Red Tail Tin Foil Barb and two 6 inch Pictus Catfish. The tank itself came with an External Hanging Agua-Tech 30/60 Power Filter and a External Hanging Aqueion Power Filter 10. I do recognize that Barbs...