What do you mean "what should I do"?
If the males are showing off to the females, let them. The females produce 1 or 2 eggs (normally 1) per day and the eggs take a couple of weeks to hatch. The snails will probably eat the eggs so remove the snails.
The baby fish will sit just under the surface and can be scooped out with a small plastic container and put into another tank and grown up.
The following link has information on culturing live foods for baby fish.
STARTING OUT Make sure you have a pair, (1 male + 1 female). There is nothing worse than spending your hard-earned dollars buying a couple of fish to try and breed and ending up with a pair of fish of the same sex. Let's face it, to reproduce fish you need a male and a female. Two males won't do...
www.fishforums.net
The fish are not commonly available and are worth breeding. Try to keep them alive and produce as many young fish as you can.