fish advice for 4 footer.

[bisambar]

tank size=48x18x18 inch

[sub]

good size tank u have
U can keep small size cichlid like salvini , firemouth , convict all are very aggresive and become devil during breeding time so if u r planing to keep in groups there should be lots of hiding place otherwise ur tank will be war zone.
for medium size cichlid severum are very beautiful n semi aggressive one .