Spanish scientist Dr. Mario Lebrato captured this incredible drone footage showing millions of sardines off the coast of San Diego.

The large sardine shoal casually swam in the ocean, as sharks swam beneath them, waiting for the perfect opportunity to dive in.

RELATED: This is no accident — these oddly shaped fish reveal a unique truth about the ocean

The large gathering of fish swarmed the shores due to low oxygen in the water during the summer of 2014.

Lauren Grose About the author:
Lauren is an Associate Content Editor at RARE. During her years at Bloomsburg University, she delved into modern media by creating a fashion column titled “Dear Bloom,” which ultimately became a YouTube series. Shortly after graduating, Lauren packed her bags and flew to Tokyo to explore the city’s culture and, ...Read more
View More Articles
Vote for the 2017 Rare Country Awards