I have a CAE that I didn't know would get aggressive. Now one of my Cory is dead and the CAE is in a bucket. I've read that they should do ok in a tank with other semi-aggressive fish. If I get a little 5-10 gallon tank with the Chinese what else to go with? Or not worth the hassle and just give him to a pet store? I'm getting a couple of Otto today. I have read they stay small and are gentle.