Sharks (superorder Selachimorpha) are a type of fish with a full cartilaginous skeleton and a highly streamlined body. They respire with the use of five to seven gill slits. Sharks have a covering of dermal denticles that protect their skin from damage and parasites and improve fluid dynamics. They have several sets of replaceable teeth. The following outline is provided as an overview of and topical guide to Sharks: [edit] Essence of sharks [edit] Biological classification Subdivison: [edit] All Sharks Click the show button to see and navigate through all shark species. [edit] History of sharks [edit] General shark concepts  - Physical characteristics of sharks - describes shark skeleton, respiration and skin
- Dermal denticle - are small outgrowths which cover the skin of sharks
- Ampullae of Lorenzini - are a special sensing organ that help sharks and fish to sense electric fields in the water
- Electroreception - is the biological ability to perceive electrical impulses (see also Ampullae of Lorenzini)
- Lateral line - is a sense organ used to detect movement and vibration in the surrounding water
- Shark cartilage - is the tough material that a sharks' skeleton is composed of
- Shark teeth - describes the teeth of sharks
- Spiracle - is used to pump water through the gills
- Clasper - is the anatomical structure that male sharks use for mating
- Fish anatomy - describes a generic description of fish anatomy
- Ichthyology - is the branch of zoology devoted to the study of fish (including sharks)
- Meristics - is an area of ichthyology which relates to counting quantitive features of fish, such as the number of fins or scales
- Shark finning - is the practice of removal and retention of shark fins
- Threat display - is a type of display behaviour aiming at intimidation of a potential enemy
- White Shark Cafe - is a remote mid-Pacific Ocean area noted as a winter and spring habitat of otherwise coastal great white sharks
[edit] Shark attacks and protection from sharks - 1992 Cageless shark-diving expedition - the 1st cageless dive with great white sharks contributed to changing public opinions about their supposed ferocity
- Land-based shark fishing - is the sport of fishing for sharks from land such as a beach, shoreline, jetty, pier, or bridge
- Shark tourism - is a form of ecotourism showcasing sharks
- Shark Alliance - is a not-for-profit coalition of non-governmental organizations dedicated to restoring and conserving shark populations by improving European fishing policy
- Sharks in captivity - describes sharks in captivity
- Shark tunnel - is an underwater tunnel that passes through an aquarium with sharks
- Stronsay Beast - was a large, dead sea-creature washed ashore on Stronsay, in the Orkney Islands, after a storm in 1808, later presumed to be a basking shark
- Submarine (shark) - is the name given to a large and aggressive great white shark that might have dwelled in False Bay, near Cape Town, South Africa, during the 1970s and the 1980s.
[edit] Notable people - Peter Benchley - author of the novel Jaws, later worked for shark conservation
- Jacques-Yves Cousteau - was a French naval officer, explorer, ecologist, filmmaker, innovator, scientist, photographer, author and researcher who studied the sea and all forms of life in water including sharks
- Ben Cropp - is an Australian former shark hunter, who stopped in 1962 to produced some 150 wildlife documentaries
- Eugenie Clark - popularly known as The Shark Lady, is an American ichthyologist researching poisonous fish and the behaviour of sharks.
- Richard Ellis - is an American marine biologist, author, and illustrator.
- Leonard Compagno - is an international authority on shark taxonomy, best known for his 1984 catalogue of shark species (FAO)
- Rodney Fox - is a South Australian film maker, conservationist, a survivor of an attack by a great white shark and one of the world's foremost authorities on them
- Andre Hartman - is a South African diving guide best known for his work free-diving unprotected with great white sharks
- Hans Hass - is a diving pioneer and known for his documentaries about sharks
- Mike Rutzen - is an expert on the great white shark and an outspoken champion of shark conservationand and known for free diving unprotected with great white sharks
- Ron & Valerie Taylor - are ex spearfishing champions that switch from killing to filming underwater documentaries
[edit] Shark lists |
