First dolphin or any blue water fish i have shot. i am used to using a hawaiin sling and securing the spear and head first for hogfish and grouper. I kept putting upward pressure on the shaft so it would not come out. Definitetly should have grabbed his tail. live and learn.
http://www.youtube.com/watch?v=TbTBk6GBErQ
edit: dan i tried to embed. please feel free to.