Gene Jones of Iowa is currently in first place, with a 236.2 lb halibut, caught while fishing with Capt. David Bayes of Central Charters aboard the Grand Aleutian.
A 231-pound flatfish was also brought in last week.
Of the 114 tagged fish released earlier this year, 29 have been caught during the derby so far. Prizes for the tagged fish include: a GCI-sponsored tag worth $50,000, a Stanley Ford of Kenai tag worth a new F150 pickup, four worth $10,000 each, 38 worth $1,000 each, 59 worth $500 each, and 11 worth $250 each.