Hi I have an silver arowana a fire eel a large pleco a back ghost knifefish 3 hujeta gar 3 balas and I'm going to get 2 more balas and 3 needlenose gar they are all juveniles at the moment. Would it work if I got. Spotted gar with them? Ps. I know they all get big and I'm upgrade to a 500gal so don't worry about capacity.