Petsmart usually has a couple. Not the best quality, I know, but they are only a buck and from what I have seen (I looked around for otos about six months ago as well) they are the only place in GB that has them. Maybe all Reefs? They have some FW fish and could have some.
"My next hobby is going to be tearing up $100 bills while simultaneously banging my head against a wall and flooding my basement."
"Ask not what the hobby can do for you, but what you can do the the hobby" - ScapeFu