Hammerhead sharks roll over and swim sideways to save energy

Learning how to save energy: Sustainable Sharks

Deadliest Types of Sharks: Meet The Apex Predators

Deadliest Types of Sharks: Meet The Apex Predators

discover-your-joy.tumblr.com - Tumbex

Speculative Evolution

Hammerhead sharks roll over and swim sideways to save energy Awesome Shark Guardian Shark fact: Hammerhead sharks roll over and swim sideways to save energy! New research on great hammerheads shows

How many scalloped hammerhead sharks are left in the world? - Quora

Beluga Whale by jdkammerman on emaze

Speculative Evolution

Hammerhead Sharks Swim On Their Side Nearly All The Time