i paid like 30 for them , they were with other butti and i was the tank and I noticing them chasing away all the other butti so i know a pair had formed and I quickly decided to get them, I have them in a 55 gal for right now by themselves with nothing else I had two clown loaches in there at first but decided to move them, there doing alot of diggin around but no breeding yet and not sure what to food them as they dont seem to interested in pellets have kept one in the past and it loved snails and crayfish think i might try some crayfish its cool to watch them attack crayfish