The HBG came from Texas Fishing LLC, just south of Caddo Mills, TX. I can't really answer your second question, I only caught a few to document the growth during the summer and I stopped last Saturday when I had two for dinner. When they come up to feed, they don't waste much time on the surface as you probably know, so it's hard to see that black opercular flap. My thinking was that if I wanted to take out ~20 or so this winter to eat in anticipation of controlling the spawn in the spring, that I should only take out males this first year. Thanks!