Shark Wallpaper

Beautiful Shark Wallpaper For all fans of Cutest Animals Photos Cute Baby Great White Shark Pictures And Fish Images Clipart 3D Illustrations Funny Hammerhead Shark Background Graphics Free Download

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 67 in in length to the whale shark Rhincodon typus the largest fish in the world which reaches approximately 12 metres 39 ft in length Sharks are found in all seas and are common to depths of 2000 metres 6600 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 Wellknown species such as the White Shark Tiger Shark Leopard Shark and the Hammerhead Shark are apex predatorsorganisms at the top of their underwater food chain

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Nice Features OF Shark Wallpaper Application

Full support for landscape mode

Compatible with 99 of mobile phones and devices

Optimized battery usage

Fully supports horizontal orientation

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