Rummy Nose Tetras

[random919]

I thought i would show my new Rummy Nose Tetras. I got them today and was wondering whether i should get any more. I have 4 of those + 2 dwarf gouramis and 3 mollies.

 

[Noahs ark6]

Getting a few more would be ideal (with stocking level in the tank depending)

 

[random919]

also how do you sex them? I want to know if i have males or females