Who Gives A Fish Forums

I'm setting up my 30 gallon tank as a Tang tank and considering the following fish:

- Neolamprologus similis (4)
- Black calvus (2-3)
- Lamprologus ocellatus (2-3)
- Neolamprologus caudopunctatus (4)

Will this combination cause too much aggression and stress in the tank? I've read that the similis ...