Here, we interview BiRN postdoctoral research Dr. Kevin Cazelles that outlines a novel way to use multiple biotracers (components of the physical world that have distinct signatures that can be "traced"; e.g. fatty acids, stable isotopes) as a mean to fingerprint where organisms originate from. In the global world of seafood trade, where fish are moved rapidly and often without information, such an advance promises to significantly aid seafood sustainability.

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