Here is the preeminent thread on LMB with pics. Be sure to see the article Cecil posted - copied below.

http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=103583&fpart=1



These are tilapia but you can get an idea of what Todd is saying.

Male on left , female right.













Last edited by ewest; 02/15/16 09:42 PM.