Making himself credible, Stewart made sure to inform the audience that he has a degree in Biology and is also a professional underwater diver and photographer. In crediting himself, this lets the audience believe that he is correct about the biological facts about sharks and the ocean that he presents throughout the documentary. To provide further credibility for himself and the documentary, Stewart has numerous biologists and shark experts to speak on behalf of shark behavior and cruelty. For example, to credit his claim that sharks do not harm humans often or on purpose, Stewart has a shark behaviorist speak about how rare shark attacks really are, and that they only bite people out of curiosity, not to do any real harm or to “eat” the person. With having a biologist that specializes in sharks support Stewart’s facts and main points, this makes the documentary much more believable and credible.…