What Gender Are My Convict Cichlids?

I Have 5 Convicts In A 55 Gallon, Also Is This Enough Space For Them To Breed? http://s604.photobucket.com/albums/tt124/acea_chick/Convicts/ Also One Of Them Turned A Very Dark Black(Just The Stripes) Is This Normal? Should I Add A Flower Pot For Breeding? Also How Many And How Should I Set Them Up and... show more I Have 5 Convicts In A 55 Gallon, Also Is This Enough Space For Them To Breed?

http://s604.photobucket.com/albums/tt124/acea_chick/Convicts/

Also One Of Them Turned A Very Dark Black(Just The Stripes) Is This Normal?

Should I Add A Flower Pot For Breeding? Also How Many And How Should I Set Them Up and What Size?

Thanks For Your Time, Lilly

Note; Please Do NOT Say Google it, I Would Not Be Useing Answers If I Knew The Answer.

Pictures Would Be Awesome!
Update: http://s604.photobucket.com/albums/tt124/acea_chick/Convicts/

Sorry I Locked The Album, Thanks
5 answers 5