Mine, a 110" at the fork specimen (estimated to be 642 lbs using the NE sharks chart on the site), took two loads of 12 ga # 6 shot to the head via bangstick, then was double gaffed and tailroped. 4 men could not get it in the boat. It was still alive 30 minutes later. By far it was the most powerful, the most obscenely acrobatic and flat out insane fighting fish I have even tied into. A likeness of her is on the wall next to me as I type, actually. Almost every day I look up, smile and say to myself, 'holy shit!'
Any future large makos brought to the boat will be shot multiple times with a large caliber handgun. They are not an animal to be toyed with or treated with kid gloves. Agree on the NE sharks site; it's very informative.