Sharks don’t sink. And neither does she.

Marine biologist Jasmin Graham poses Monday in Myrtle Beach, S.C. (Madeline Gray/The New York Times)

Jasmin Graham was on a mission. The marine biologist wanted to change not only the public’s often misleading perception of sharks — in many cases, drawn from their harrowing portrayal in the novel “Jaws” and calcified in pop culture over the last 50 years — but also that of the people who study them.