<p>Videographer and California resident Domenic Biagini captured drone footage of a shark hunting a harbor seal off La Jolla while on a San Diego Whale Watch</a> vessel on June 22.</p><p>San Diego Whale Watch identified the predator as a Marko shark and estimated it was around 10-feet long. The seal managed to slip away but sustained some injuries from the attack, according to the tour agency</a>. Credit: Domenic Biagini via Storyful</p><br />