I was wondering if there are the following large pelagic fish in captivity. I am aware that keeping them is a challenge, but there might be some successes, especially in Japan: 1) Mahi-mahi 2) Any billfish (swordfish, marlin, sailfish) 3) Wahoo, king mackerel 4) Ocean sunfish species besides Mola mola 5) Pelagic sharks 6) Opah
Are you including Whale Sharks and Manta Rays in this or no? Also, not on your list but Monterey Bay Aquarium keeps tuna.
Great white (cannot be successfully kept), mako, porbeagle, oceanic white tip, and blue sharks, among others.