I plan on spawning three pairs soon. Two pairs are set, but for the third I need to decide between two males. I am leaning one way, but vote and let me know what you think!
First pair:

Second pair:
Third pair is one of these lucky guys:
With this lovely:
The blue butterfly is a proven good daddy, the blue/white piebald is an unknown. I also have a steel blue butterfly, but I think he's a bit too small... this chick is a big girl. She carries butterfly (you can barely see it in her fins). What do you think?