StIcKy~RiCe;1996555; said:if you have a group you should be able to tell...most likely male will be skinny and long, female will be fat and short. she/he will turn jet black with mature enough to breed.
Plasticmotif;1996573; said:Even then it's hit and miss. Although, it is a trend for the females to be thicker. That's about the only guide you can use until they spawn.