In an amazing video published by whale activist Michael Fishbach, who runs the tourism and education company Eco-Interactions, he and a group of tourists save a humpback whale’s life after they discovered it entangled by a fishing net in the Sea of Cortez.

Fishbach, who’s also part of the Great Whale Conservancy, dedicated to protecting whales along the Calif. coastline from boat strikes, narrates the video below.

(H/T: Reddit)