This clip describes white sharks and how they have very specific diets that affect the beaches they are drawn to. If a beach is inhabited by its desired prey, the sharks are more likely to occupy that location.
Our oceans are home to many creatures, and oceans benefit us humans as well. Humans can have a major impact on the oceans, and it's up to us to protect them.
Overfishing has been a problem in the oceans for many years. Large sea animals are being killed as bykill and can lead to potential "fishless" oceans in the next 20 years.