Melissa Cristina Marquez

Melissa Cristina Marquez is a marine biologist and shark scientist. She will star on an episode of "Shark Attack Files," airing July 12, as a part of National Geographic's 2021 SHARKFEST event, premiering July 5.

Young Woman Swimming With Nurse Sharks
Sharks have an image problem — and are on the edge of extinction Melissa Cristina Marquez
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