- Dr. Sheanna (Shea) Steingass is a marine biologist who has appeared as a guest or co-host on several podcasts and the History Channel series 'The Proof is Out There' where she is the marine biology expert. She specializes in ocean ecology and the biology and behavior of marine mammals. She is also known for providing biological, ecological and evolutionary context in regards to pop culture topics such as sea monsters and ocean mysteries.- IMDb Mini Biography By: Sheanna Steingass
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