How stocked would a 180 gallon be with these fish?

[rayman45]

i have 12gals of 1.5" bio balls

 

[kody1192]

as for filteration, i already have a cascade 1500 canister. its rated up to 200 gallons i believe, but I think ill switch over to inline filters maybe?

that wont even be close to enough filtration....you will need 2 of them....

 

[JCA]

awesome, i could do that