Shark

Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the rays. However, the term "shark" has also been used for extinct members of the subclass Elasmobranchii outside the Selachimorpha, such as Cladoselache and Xenacanthus, as well as other Chondrichthyes such as the holocephalid eugenedontidans. Under this broader definition, the earliest known sharks date back to more than 420 million years ago.Acanthodians are often referred to as "spiny sharks"; though they are not part of Chondrichthyes proper, they are a paraphyletic assemblage leading to cartilaginous fish as a whole.

Since then, sharks have diversified into over 500 species. They range in size from the small dwarf lanternshark (Etmopterus perryi), a deep sea species of only 17 centimetres (6.7 in) in length, to the whale shark (Rhincodon typus), the largest fish in the world, which reaches approximately 12 metres (40 ft) in length. Sharks are found in all seas and are common to depths of 2,000 metres (6,600 ft). They generally do not live in freshwater although there are a few known exceptions, such as the bull shark and the river shark, which can survive and be found in both seawater and freshwater. Sharks have a covering of dermal denticles that protects their skin from damage and parasites in addition to improving their fluid dynamics. They have several sets of replaceable teeth.

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Shark

Shark (disambiguation)

A shark is a cartilaginous, usually carnivorous fish.

Shark, Sharks or The Shark may also refer to:

Animals

Some bony fishes from the family Cyprinidae; see freshwater shark

Shark (moth), the noctuid moth species Cucullia umbratica

Geography

Shark, Arkansas, a community in the United States

Shark Island (disambiguation)

Computing

Shark (or Sharkbase), an MS-DOS database (dbf) application

Shark, a Mac OS X software development optimization tool

IBM Enterprise Storage Server (ESS), or Shark

Soft Hard Real-Time Kernel (S.Ha.R.K. or SHaRK), a component-based real-time kernel architecture

Shorthand-Aided Rapid Keyboarding or ShapeWriter, a data input method

Arts and entertainment

Film

The Shark (1920 film), a lost silent Fox film

Shark! (film), a 1969 American action film directed by Samuel Fuller and starring Burt Reynolds

Shark (2000 film), a 2000 horror film

Shark: Mind of a Demon, a 2006 documentary by Fabien Cousteau that aired on CBS

Television

Shark (2013 TV series), a South Korean KBS television series

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Shark_(disambiguation)

Sharks (rugby union)

The Sharks are a South African rugby union team competing in the Super Rugby competition (Super 10, 1993–95; Super 12, 1996 – 2005; Super 14, 2006–10; Super Rugby 2011- ). They are based in Durban and centred on the Natal Sharks union, also based in Durban and drawing players from all of KwaZulu-Natal Province.

In 1993–95 South Africa was represented in the Super 10 by their three top unions (top three teams from the previous years Currie Cup). Natal (as they were called then) qualified in 1993 and 1994. Natal were runners-up in 1994 after having lost to Queensland 21-10 in the final. In 1996 and 1997 South Africa was represented in the Super 12 by their four top unions rather than franchises, and Natal qualified and competed both years. They have never won any of the Super Rugby competition, but have reached the final four times, as Natal in 1996 and as the Sharks in 2001, 2007 and 2012.

The side contains many Springbok players, including Tendai 'Beast' Mtawarira, Willem Alberts, JP Pietersen, Patrick Lambie and the brothers Bismarck and Jannie du Plessis. They have also featured many international stars including France international Frédéric Michalak. In 2010, they were slated to feature Argentine star Juan Martín Hernández, but he was ruled out for the season with a back injury.

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Sharks_(rugby_union)

Podcasts:

Sharks

ALBUMS

Living Like released: 2012

Living Like

Released 2012

Sharks

ALBUMS

Sharks

ALBUMS

Return of the Instro-Hipsters, Volume 2 released: 2007
Songs of Yesterday released: 2000
signed, sealed, deLIVID released: 1998
Signed, Sealed, deLIVID released: 1998

Return of the Instro-Hipsters, Volume 2

Released 2007

Songs of Yesterday

Released 2000

signed, sealed, deLIVID

Released 1998

Signed, Sealed, deLIVID

Released 1998

Sharks

ALBUMS

Rise 200 released: 2013

Rise 200

Released 2013

Sharks

ALBUMS

Sanremo Rock released: 1988

Sanremo Rock

Released 1988

Sharks

ALBUMS

Selfhood released: 2013
No Gods released: 2012
The Joys of Living 2008-2010 released: 2011

Selfhood

Released 2013

No Gods

Released 2012

The Joys of Living 2008-2010

Released 2011

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I went to the marina saw a man in a speedo scratching himself and staring at sharks his shirt was unbuttoned long grey chest hairs and the sharks just kept swimming more bored than annoyed and the man on the tape says that they'd suffocate if the sharks would stop swimming in circles even though there's no place for them to go in this aquarium they just keep swimming in circles they're such noble creatures the marina's main feature and they glide through captivity with oceans more dignity than we'll ever know judging by that speedo and the man on the tape says that they'd suffocate if the sharks would stop swimming in circles even though there's no place for them to go in this aquarium they just keep swimming in circles

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