The reason they choose to hybridise syno's and not naturally hormonally breed species such as multipunc's is because of the number's of young that can be produced.

Say a Multipunc produce's 50 eggs and a eupterus produces 500 (roughly) then breeding a male multipunc to a female eupterus will give ...

I have one that was born last year at Neil Hardy Aquatica. It eats like a horse and is now 10cm SL.

Barry