1.1M views · 33K reactions | Amazing manta ray vortex in Maldives. . Curious fact: Manta rays have the largest brain to body weight ratio of any living fish giving it enough smarts to make the average dolphin jealous. Mantas are social animals and have friends they frequently visit as well as they show cooperative feeding techniques. They might even be self aware. . . . . . . : @sideytheshark Fact via @the_barefootwalker | Diving Passport | Facebook