Outline of sharks

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A great white shark at Isla Guadalupe, Mexico

The following outline is provided as an overview of and topical guide to sharks:

Sharks (superorder Selachimorpha) – a type of fish with a full cartilaginous skeleton and a highly streamlined body. The earliest known sharks date from more than 440 million years ago, before the time of the dinosaurs.[1]

Fields that study sharks[edit]

What is a shark?[edit]

A shark, also called a "selachimorph", can be described as all of the following:

Biological classification[edit]

Diagram showing shark "family tree"
Further information: Biological classification

Types of sharks[edit]

Main article: List of sharks

Subdivisions of the biological classification Selachimorpha include:

Shark behavior[edit]

Photo of front page of newspaper showing photo of large shark with open mouth
The Philadelphia Inquirer report of Jersey Shore shark attack.

Shark attacks[edit]

Main article: Shark attack

Range and habitats of sharks[edit]


Photo of whale shark with silhouettes of human observers at bottom of picture
A whale shark in the Georgia Aquarium


Sharks in captivity[edit]

Main article: Sharks in captivity

Shark anatomy[edit]

Anatomical shark drawing showing snout, nostril, eye, spiracle, dorsal fin spine, first and second dorsal fins, precaudal pit, caudal fin, caudal keel, anal fin, clasper, pelvic fin, pectoral fin, gill openings, labial furrow, and mouth

Protective equipment[edit]

Simplified diagram of shark net

Shark fishing[edit]

Shark conservation[edit]

Shark Trust logo

Notable sharks[edit]

Notable researchers and people[edit]

Photo of bearded man
Hans Hass, diving pioneer

See also[edit]


  1. ^ Martin, R. Aidan. "Geologic Time". ReefQuest. Retrieved 2006-09-09. 
  2. ^ Begon, M., Townsend, C., Harper, J. (1996). Ecology: Individuals, populations and communities (Third edition). Blackwell Science, London. ISBN 0-86542-845-X, ISBN 0-632-03801-2, ISBN 0-632-04393-8.
  3. ^ "apex predator". PBS. Retrieved 2010-01-25. 
  4. ^ Fernicola, Twelve Days of Terror
  5. ^ "Summer of the Shark". Time. July 30, 2001. Retrieved May 20, 2010. 

External links[edit]