News Animals Belugas may communicate by warping a blob of forehead fat Whales in captivity can mold their “melon” into at least five different shapes Beluga whales like this one at Connecticut’s Mystic Aquarium sport a blob of forehead fat called a “melon.” The cetaceans contort the melon into different shapes, possibly to communicate with each other. Paul Souders/Getty Images Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Elizabeth Anne Brown May 2, 2024 at 9:00 am The beluga whale wears its heart on its sleeve — or rather, its forehead.