The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
It can vary (yellow labs, about one to three dozen fry, give or take).
The physical size and the females' previous mouthbrooding experience also seem to be factors (with larger and/or more experienced females having larger broods than smaller and/or inexperienced females).