What is their gender ? Shopper said one male and one famale pair.

[Alpb9]

Famale ? Or male?

 

[fishguy1978]

What size? Hard to tell. My male has a bright red flash on his head where my females only have a slight coloring.
Male on the right.

 

[Deadeye]

The way the fins are, it seems to indicate that there is a gender difference. Not sure who is who though, geos aren’t really my specialty.