Need a little advice

[Dave wants nano]

I have a 50lt tank that has an open scape. I started with 6 ruby tetra, who are very beautiful but very shyand always hinding. I would like to add some more fish but not sure which. I would like to add some more ruby tetra but I don't want them to hind like the first 6. So maybe a different type to bring the Rubys out? Or would 6 more give the the confidence to come out in the open? Any advice would be grateful.

 

[stu_]

My 60cm tank had 10 green neon tetras in it that I never saw.
Now I have 16, they practically eat from hand.
Ime tetras rarely do well in numbers below 10.
Of course, extra cover will always be appreciated.

 

[Dave wants nano]

Thanks Stu. In that case I will definitely get 6 more Rubys.