From Openwaterpedia
Shark cage manufactured by Fibber McGee for Skip Storch's solo marathon swim attempt from Cuba to Florida; photo by Tim Johnson

noun - Sharks (superorder Selachimorpha) are a type of fish with a full cartilaginous skeleton and a highly streamlined body. The earliest known sharks date from more than 420 million years ago. Different types of sharks include the Great white shark, bull shark, hammerhead shark, tiger shark, mako shark, Greenland shark, sand sharks, blue shark, and oceanic white tip shark. It is an apex predator.


The Man in the Gray Suit, Mack, Old Toothy, Garbage Can of the Sea and Fish are colloquial terms occasionally used by open water swimmers.


Some scholars believe shark is derived from the German title schurke, meaning villain. In Latin, squalus means shark.

Pablo Fernández Álvarez With Sharks In South Africa

Pablo Fernández Álvarez

Tiger Shark Tracking in Hawaii

Hawaiʻi Tiger Shark Tracking provided by PacIOOS or the Pacific Islands Ocean Observing System.

Jaws Opening Scene

Susan Backlinie plays Chrissie Watkins in the opening shark attack scene in the movie Jaws that inaccurately shaped many people's perceptions and opinions of sharks.

Video of Human Aerial Art in 2013

Schoolchildren in Repulse Bay Beach in Hong Kong create human aerial art of a shark in an event organized by Doug Woodring and Ocean Recovery Alliance.

Shark Feeding Frenzy

A shark feeding frenzy of blue fish off the coast of North Carolina is caught by Pastor Donnie Griggs of One Harbor Church.

Shark Attack Victim

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