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Sharks are a group of elasmobranch 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[1] (or Selachii) and are the sister group to the Batoidea (rays and kin).
- Great White Shark
The great white shark (Carcharodon carcharias), also known...
- List of sharks
Listed below are extant species of shark. Sharks are spread...
- Great White Shark
The great white shark (Carcharodon carcharias), also known as the white shark, white pointer, or simply great white, is a species of large mackerel shark which can be found in the coastal surface waters of all the major oceans. It is the only known surviving species of its genus Carcharodon.
Sharks are a superorder of fish. This superorder is also known by its scientific name Selachimorpha. Like other Chondrichthyes, sharks have skeletons made of cartilage instead of bone. Cartilage is tough, rubbery material which is less rigid than bone. Cartilaginous fish also include skates and rays.
Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in alphabetical order. Also included is a field guide to place sharks into the correct order.
Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some species are at risk of extinction.
5 dni temu · shark, any of numerous species of cartilaginous fishes of predatory habit that constitute the order Selachii (class Chondrichthyes). Sharks, together with rays and skates, make up the subclass Elasmobranchii of the Chondrichthyes.
The great white shark is a type of mackerel shark from the Lamnidae family, which also includes mako sharks, salmon sharks, and porbeagle sharks. Great whites are the largest of the bunch— and...
