This Scientist Tracks 10-Foot-Long Fish in the Amazon

Lesley de Souza is a conservation scientist and ichthyologist at the Field Museum. Her fieldwork takes her to Guyana, where she studies the arapaima—the largest freshwater fish in the world.

Lesley’s work, both out in the field and back in the museum’s collections, depends on collaboration and mentorship. Hear about her experience as a woman in science and the importance of inspiring future scientists.

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