Yes I have had several successful spawnings

What I did was get six or seven BN and put them in a 30G tank to grow up together a little. The reason for that many is to make sure you get a pair. They will spawn from about 7 mos to a year old.
Then when they are old enough I do a huge water change and feed them up on lots of veggies, Bloodworms,shrimp pellets etc. anything high in protein. In general BN's need a ratio of 90/10 veggies to protein, but at spawning time they appreciate a little more protein.
Carol