I've no personal experience with them, but I would think they would be ok. There is a member here on this forum who keeps them, but I forget who that is.
I had labs a few years ago - beautiful fish. I would suggest not going with oscars - they are large, difficult, and can be intimidating. It might have just been a passing comment, but even if you plan on buying a larger tank eventually, I would stay clear.
hey ye im going to go with my convicts and get sum jewel cichlids and rainbow cichlids. dont think labs would get one with my convicts and there not from the same area