I was wondering are there any nasty fish I can fit in a 20-30gal tank it would be a new tank so up for any ideas want it to be aggressive but I dont want to have to upgrade to a bigger tank something that can live in that space
i cant think of any ancient fish of the top of my head right now
maby an american cichlid?? il get back to you hope fully with an answer if someone dosnt beat be there