i thought abotu gettign a 29 gallon tank to pu to of my bettas in adn i had 2 questions one would 2 bettas a snail 2 opaline gouramis and atrue flying fox (shark) be of and would any of the fish fight with teh bettas and also one fo teh betts i have i know is a female but the otehr one i bout looked likea female when i got ti btu when i flares it kinda l;ooks like a male and i have had no problem with them fighting as they are in the same 2 gallon or so tank