Feb 19, 2010 #1 T TROPICALFISHAUCTION Aquarium Advice Apprentice Joined Nov 1, 2008 Messages 39 Does any one know how to sex PJ Cardinals?
Feb 19, 2010 #2 cmor1701d Aquarium Advice Addict Joined Feb 17, 2003 Messages 7,815 Location Belle Mead, NJ If you get fry then one's a male and one's a female <g>. "Determining Sex: No method is proven for determining sex, but many believe males tend to have larger mouths"
If you get fry then one's a male and one's a female <g>. "Determining Sex: No method is proven for determining sex, but many believe males tend to have larger mouths"
Feb 19, 2010 #3 OP OP T TROPICALFISHAUCTION Aquarium Advice Apprentice Joined Nov 1, 2008 Messages 39 Ok I have a few of them in a tank.