Hi..I'm really new new in arowanas, so do you guys have any advise of me..I'm getting soon a 1.2m aquarium for them...and I would like to ask is any problem with this aro that I got..I just bought it yesterday..and I found out today..that he got a pink spot in its mouth..looks like kind of injury..I think..Its really to me to take a pic of his mouth for you guys...and this is him...staying with 2 silver aros

