Blue shark

The blue shark is a sleek, open-ocean hunter found in warm and mild seas worldwide. Known for its striking blue color, this shark is the only living member of its genus. It roams vast distances, sometimes traveling from northern waters all the way to the tropics.

• Grows to about 3.1 meters (10 feet) long on average.
• The sole surviving species in its evolutionary branch.
• Makes epic migrations, like crossing from New England to South America.