One issue with overstocking is the fish can become stunted. However when purchased at adult (or close to), then it doesn't matter, the fish has reached close to it's maximum. And then all you need is really good filtration.![]()
Obviously it's within reason... you can't put a full grown Texas in a 15"x4"x10" (or something of the sorts) for example. Well you can but well, obviously no recommended.