More fish in my 5x2x2?

[coxy87]

Hi all

Long time reader, after some advice on adding more species / more of the same pehaps to my tank!!

I currently have:

3 red zebras (2 male 1 female i think)

4 electric yellows (not sure on male or female)

2 dolphin moorii (1 male 1 female i think)

3 acei yellow tails (unsure)

2 albinos scolo something or other lol (unsure)

all fish approx 2 years old, plenty good filtration and the rest, so thanks in advance on some great advice ive read over the years

shaun.