Leopard Shark
Leopard shark (Christophe Rouziou / shutterstock.com)
Leopard sharks (Triakis semifasciata) are easily identified by their prominent pattern of black markings and large spots on their grayish backs. Adult females can reach 1.8 meters (5.9 feet) in length. Males are usually smaller. Leopard sharks are considered harmless to humans, if not provoked.
Inhabits the East-Pacific Ocean.
This supplemental online resource accompanies the book Scuba Diving Hand Signals by Lars Behnke, available on
Amazon.