more questions about 20 gallon

[carguy123]

I got a 20 gallon tank. It currently has 5 ghost shrimp in there and 4 danio zebras.

Im planning to do a sorority. So what are my options?
should I get like 5 girls or 7. SHould I return the danios to have more room?

[ScuitoAmi150]

Idk about the danios but i'd go with 7 girls.

[kelly528]

The danios need to go big ro go home... if you can't keep a group of at least 6 (which you can with current stocking) take them back. They're shoaling fish and get very nippy and annoying unless kept in a large group.