Have you ever wondered how DNA is extracted from shark fin clips for genetic sequencing? Well, join Karen Figueroa, a project intern at the John G. Shedd Aquarium and Field Museum of Natural History, and your guide to the mesmerizing process of extracting DNA from shark fin clips. In this video, you will step into a day in Karen’s life as she works in the Pritzker DNA Lab, skilfully extracting DNA from Caribbean reef shark (Carcharhinus perezi) fin clip samples in preparation for cutting-edge Next-Generation sequencing.