yeah, i'd love to have a go at breeding the CPDs, right now i'm having fun with guppy - endler hybridizing because I only have room for 1 10g fry tank and I think i'd need a few more spawning / rearing tanks for pretty much any other fish, I have CPDs now so maybe when I move i'll forgo the guppy project and try my hand at CPDs if I have space for a few more 10g (they're so cheap and easy to set up as rearing tanks, the only issue I have truly is space right now, i live in a small apartment and have 3 display tanks as it is + the guppy endler tank
)
But yes, captive bred populations are definitely important so as to keep nice healthy wild populations in tact!