How long does it take for glofish to mate?

Glofish are genetically altered Zebra DaniOS (Brachydanio rerio). They have had a jellyfish gene added to their DNA to make them glow. They are egg layers and so can not get pregnant and give birth. When they spawn, the males drive the females who release their none adhesive ova which are fertilised by the males as they sink to the substrate.