Thanks,
Every male ZZ I've bred has been fertile, sometimes they just need to mature a bit more or you may need to condition them with market shrimp and high quality food. For agressive females, using a much larger male is usually advantageous. Good luck with your breeding.
Simon
Every male ZZ I've bred has been fertile, sometimes they just need to mature a bit more or you may need to condition them with market shrimp and high quality food. For agressive females, using a much larger male is usually advantageous. Good luck with your breeding.
Simon



