You need a much much larger tank.
+1
or.......
Wait for it..........
A MFK fish fry

You need a much much larger tank.
Wow Nice tank Egon.
Amazed you can get an aussie lung fish? down here you need permits to keep them and they cost big $$$ lol. Really do wonder how you can get them in the states but not down here =S
Added two spotted Florida gar from MikeSema to go with my T gar Thanks Mike! Love the gar
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Man they look good with the T gar, and no problem, I know they are in great hands
but theres no need for a permit there? yet here if you keep one without a CITE permit you get a massive fine even the aquarium has issues getting one lol.
But yes very nice fish, I am lucky enough to know 2 people with one and very nice to view when they move around.