This story is a reporting collaboration between Mongabay Latam and La Barra Espaciadora.   At 6 p.m. on Tuesday, March 6, 2018, in Guayaquil, Ecuador, Benner Valencia picked up his phone. The person at the other end told him that his second son, biologist Edison Geovanny Valencia Bravo, had disappeared on board the tuna vessel … Continue reading A fisheries observer’s disappearance sheds light on a bigger problem