With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean's great predators, inspire conservation, and encourage responsible ecotourism.

Monitoring the noises within ecosystems reveals their health—allowing researchers to monitor changes in biodiversity, detect threats, and measure the effectiveness of conservation strategies.

Conservationists are determined to protect the magnificent rays of the Pacific—whether that’s tracking them with acoustic tags or flying drones, or through exposing the black market for their meat and parts.