Hi I have a 4ft tank ,that is about a month old at present I have 2 x bristlenose catfish,2 x bronze catfish,2 x dwarf neon gourami, 2 x opaline blue gourami, 1x indian banded gourami,1 x black moor,1 x fantail goldfish,1 x platinium gourami,20 x neon tetras,4 x head and tail light tetras,1 x...