GSH have very small gapes compared to BG, I have trouble catching GSH using small dry flies, they simply can't get their mouth around the hook. GSH should be sexually mature at 3" in size.

http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3210&context=etd


Last edited by Shorty; 11/20/13 01:50 PM.