ottos

My betta male lives in a filtered, heated ten gallon tank. I would really like to get a tank mate for my betta. I am deciding between 3 african dwarf frogs, or 3 ottos. I am leaning more towards the frogs, but I heard that not all bettas get along with adfs, while most all get along with ottos...

Please tell me a little about ottos.. and where the best place would be to get one...

So I'm going to be down to 2 bettas, a small female and a male crowntail, Miclo is being adopted to a friend who just lost their fish. So right now i have my 20 gal divided twice for three fishies, but one will be leaving us, and my little female is always jumping the dividers and gets into...