A lot of stupid rough ridin' posts in this thread.
The best animal is the blue whale. They are the largest animal on earth (don’t give me that crap about “dinosaurs,” because they are mythical like gnomes, trolls, and eskimos). In a pinch, they can live on land. Also, they can hold their breath longer than anyone I have ever met. AND, they eat shrimp. Shrimp are delicious, though I admit that raw shrimp are gross.