yes they are hard but touch wood i havent lost a batch yet.
i am writing my info down for the aquarium world mag so if you are a member of a club you will get a full run down of how i have breed so many.
if not join a club or you can buy the mag .
first off catbrat come over and see how i have my tanks set up, i have eggs that will be hatching today.
-water temp about 25-26
-ph 6.5-7.1
-good water flow in tank , i have a power filter and a filer oh and an under gravel filter in my tank.
-i use jbl discus cone for breeding mine in , i put some gravel in and they love it.
-feed them well i use jbl plecochips
-small water changes often , every few days, but i use water from my plant tank when i put the new water in
that should get them breeding when they have breed get back to me and i will tell you how to grow the babies up