joeytoe said:depends on tank size, food quantity, water quality an food type.
Commons will eat pretty much anything they can, an grow fairly quick. Ive bought them at 2" an theyve grown up to 6-8" in size in a few Months. I think once the hit 8" they grow slower. Ive seen acouple that got close to 12-16" in a yr or two.
