UAE royals' mega-yacht knocks Abramovich off top

Monaco Yacht Show Still

They flaunt their cash around the world, buying soccer clubs, owning airlines and running banks. Now the Emirati Royal Family rules the waves too after ranking first in a league table of owners of the world's biggest mega-yachts, knocking billionaire Roman Abramovich off the top spot.

Hedge Fund Billionaire Loans Yacht to Track Down Giant Squid

April Fool Yacht Interior

Most mega-yachts are designed for pleasure cruises or bobbing off the sunny waters of the Amalfi Coast. Hedge-fund founder Ray Dalio's Alucia is equipped with sensors, submarine launchpads and cranes aimed at scientific discoveries, like the giant squid the ship's cameras recently captured on film.