ok i was wondering if you guys could give me some ideas on some fish to study up on to maybe put in my tank..i have a 120 gal long im looking for bottom fish mid level fish and top water fish, just want there to be stuff to look at also fish active during the day and night..im making the tank a reef so i would like low agression fish thanks for the thoughts in advance:turntable also if im forgeting anything please throw it out there