Stocking of a reef tank

[Miggy]

I have now had my marine tank up and running for a year and was looking to add some more fish. currently i have: -
False Gramma x 1
Maroon Clown x 1
Blue Damsels x 2
Bangaii x 1
Lawnmower Blenny x 1
Yellow watchman goby x 1
It is a 48 gallon tank and i was wandering how many more fish people would recommend and most importantly what species, as it is a fairly peaceful community at the moment. It also has over 25 kg of rock for anything to hide.

 

[Miggy]

Any information from anyone would be much appreciated

 

[jiggy]

some blue green chromis.. some shrimp.. no big fish (tangs, triggers, angels).. u could have gotten away with a pygmy angel if u got rid of the maroon clown and another fish

 

[Miggy]

What do you think a 6 line wrasse would be like.