Finally i got my betta yesterday.and im so happy about it.he is so active and eats alot.but this morning i noticed tht one scale near the tail is missing.but im not sure about it.and there are two live plants in my tank and he keeps swimming around one of the plants like he wants to rub himself.is this a normal habbit or a symptom of some kind of disease.im sending his pics. plz help thank u. (Sorry for my poor english.im not from an english speaking country)