Meet the bluefin tuna, the toughest fish in the sea – Grantly Galland and Raiana McKinney

Discover the unique adaptations that make the Atlantic bluefin tuna one of the most dominant predators in the ocean. — What’s as big as a polar bear, swallows its prey whole, and swims at forty miles an hour? It’s not a shark or a killer whale… it’s the Atlantic bluefin tuna— the largest and longest-lived of the 15 tuna species. Its unique set of adaptations make it one of the most dominant predators in the ocean. Grantly Galland and Raiana McKinney detail how these fish go from tiny hatchling to ocean giant. Lesson by Grantly Galland and Raiana McKinney, directed by Anna Benner.