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  2. Outline of sharks - Wikipedia

    en.wikipedia.org/wiki/Outline_of_sharks

    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) are a type of fish with a full cartilaginous skeleton and a highly streamlined body.

  3. Portal:Sharks - Wikipedia

    en.wikipedia.org/wiki/Portal:Sharks

    Some sources extend the term "shark" as an informal category including extinct members of Chondrichthyes (cartilaginous fish) with a shark-like morphology, such as hybodonts. Shark-like chondrichthyans such as Cladoselache and Doliodus first appeared in the Devonian Period (419–359 million years), though some fossilized chondrichthyan-like ...

  4. List of sharks - Wikipedia

    en.wikipedia.org/wiki/List_of_sharks

    Shark is the naming term of all members of Selachimorpha suborder in the subclass Elasmobranchii, in the class Chondrichthyes. The Elasmobranchii also include rays and skates ; the Chondrichthyes also include Chimaeras .

  5. Shark anatomy - Wikipedia

    en.wikipedia.org/wiki/Shark_anatomy

    Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.

  6. Shark - Wikipedia

    en.wikipedia.org/wiki/Shark

    The value of shark fins for shark fin soup has led to an increase in shark catches where usually only the fins are taken, while the rest of the shark is discarded, typically into the sea; health concerns about BMAA in the fins now exists regarding consumption of the soup A 4.3-metre (14 ft), 540-kilogram (1,200 lb) tiger shark caught in Kāne ...

  7. Horn shark - Wikipedia

    en.wikipedia.org/wiki/Horn_shark

    The horn shark adapts well to captivity and has been maintained and bred in many public aquariums across the United States. [2] In July 2018, three people were arrested after stealing a juvenile horn shark from the San Antonio Aquarium. The shark was smuggled out of the aquarium in a stroller under a blanket. It was returned unharmed two days ...

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  9. Thresher shark - Wikipedia

    en.wikipedia.org/wiki/Thresher_shark

    The thresher shark mainly feeds on schooling pelagic fish such as bluefish, juvenile tuna and mackerel, which they are known to follow into shallow waters, as well as squid and cuttlefish. [16] Crustaceans and occasionally seabirds are also eaten. The thresher shark stuns its prey by using its elongated tail as a whipping weapon.