Can I have too many inverts?

[kevin mcrae]

I have a ten gallon nano, been setup for about 2 years. It has 6+ hermits, 2+ snails, 2 skunk shrimp (one is small).
I want to add a sexy shrimp and a emerald crab. Or do I have too much already?
Thanks

 

[joe____17]

Sounds like alot already, dont want to put too much on your bioload.