Well, in my younger days, when I surfed a lot and I was in "water shape", I could hold my breath OK; enough to get down 30+ feet and have time enough to stalk my prey and line up a shot. But that was 10+ yrs ago, in Hawai'i the water temps were in the high 70's and I wasn't nearly as, ummmm, "soft" as I am today. Those days are done. 