Obtain a adult pair (M/F), place them in a tank with many flat rocks or pieces of slate laid on a sand substrate and cool water (around 20c) and feed small live foods for a few weeks to bring them into spawning condition. when the female is ripe and the male has constucted a burrow/cave under the rock/slate start to do small (5%) daily water changes for a week, at the end of the week the female should have lead around 10 large eggs on the roof of the cave which the male will guard till the hatch, on hatching the parents should be removed or they will eat the fry.