Among anglers, smaller trevally are called papio, but fish over 4.5 kilograms are known as ulua. Barques has been fishing since he was young but says he’d never caught a proper ulua until he started using a drone. In 2017, with the assistance of his metallic companion, he finally landed a 54-kilogram giant. Drone fishing is a new world, he says. “It changes the way we fish and the way we think.”