Midwater Fish Weight Angler Location Date Opelu (D. macarellus) 2 lbs 12.8 oz Rex K. Matsunaga Ka'ena Point, O'ahu 03/02/99 Rex Matsunaga was fishing in 500 feet of water off Ka'ena Point on the island of O'ahu when a 2-lb 12.8-oz monster opelu (mackerel scad) ate the sanma he was using for bait. Rex was using a Kimura 80-lb class trolling rod, Penn reel and 60-lb test line at the time.