The end credits contain a few misspellings. For instance, the credit 'co-producer' is spelled 'co-producernas' and 'art director' is spelled 'art directorr' (these two examples are right next to each other).
he scientist stated that bull sharks swim in fresh water including Lake Nicaragua. It was not until the early 1970s that it was proven that fresh water sharks and bull sharks were the same. Prior, it was believed they were two different species.