They look like my pair. My male is roughly 3 - 3 1/2 " When I got him he was about an inch. He went thru a growth spurt, but here lately has stopped growing. From everything I have read, the males only get up to 4 inches, so I am not sure where the 6 inches come from.. Either way, like CichlidMan said a krib is a krib.
Ladymaiden
*****Ok I stand corrected. Males can get up to 5 inches.....