Paleontologists have long believed that giant reptiles ruled the oceans in the twilight of the dinosaur age.A new study suggests another apex predator dominated the food chain: school-bus-sized octopuses resembling the mythical “kraken” monster.🔗: https://t.co/RjWFhPZTaF pic.twitter.com/XKUlaQJ4c8— The Wall Street Journal (@WSJ) April 25, 2026