The stars and titles thing is off-topic. There is a thread in Forum Suggestions and Help that explains all about them (take a looksie over
here). In any case, both stars and titles change as you get more posts, but at different rates.
I think that paramites and scrabs would use the same birth-method because they are related species (they didn't even have unique names in the early stages of the AO production process). I suspect they lay eggs but I'm not sure.