Both my friend and I have been trying to breed Orange CPO's . Have had berried female's but no young we each started with 5 at different time's over the last 2 year's . Down to 1 female crayfish from my group and his are all gone ( they were older )In both cases using 20 and 50 gallon tank's with plenty of place's to hide and mine were in with shrimp that bred rapidly any clue anyone out there about their non breeding and demise . None of them got to mature size and they would hold the berrie's for a while . Have neocardina breeding but limited success with CRS due to our water type . Oh between the 2 of us we have likely bred over 100 type's of fish and shrimp's . The one surviving is 2" and the biggest any of them grew