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1. shark-helmets.com › it_ITShark Helmets - Casco integrale, modulare, jet per moto

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   30 anni di innovazione e podi, une garanzia di resistenza e affidabilità dei nostri caschi! Impegnata nella competizione e l'innovazione sin dalla sua creazione, SHARK progetta caschi sempre superiori alla norma che garantiscono i più elevati livelli di sicurezza e prestazioni.

2. sharkclean.itShark Italia | Aspirapolvere, Robot, Scope a vapore

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   Scopri la tecnologia innovativa di pulizia di Shark. La soluzione adatta a tutti, in ogni casa. Consegna e resi gratis nel sito ufficiale.

3. en.wikipedia.org › wiki › SharkShark - Wikipedia

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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 (or Selachii) and are the sister group to the Batoidea ( rays and kin).

4. www.youtube.com › watchSharks 101 | National Geographic - YouTube

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   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 sp...

5. www.nationalgeographic.com › fish › factsSharks, explained - National Geographic

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   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....

6. www.britannica.com › animal › sharkShark | Attacks, Types, & Facts | Britannica

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   8 lug 2024 · Shark, any of numerous species of cartilaginous fishes that make up the order Selachii (class Chondrichthyes). Most species have a tough skin that is dull gray in color and roughened by toothlike scales.

7. www.worldwildlife.org › species › sharkShark | Species | WWF - World Wildlife Fund

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   The oceanic whitetip, porbeagle and three hammerhead species are some of the shark species of concern for WWF, where the impact of trade is contributing to declines in populations. Millions of these sharks continue to be fished annually to supply the persistent demand for their fins and meat.

8. www.nationalgeographic.com › animals › articleShark Facts: Attack Stats, Record Swims, More

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   13 giu 2005 · Read on for more surprising shark facts compiled by National Geographic News: • Each year there are about 50 to 70 confirmed shark attacks and 5 to 15 shark-attack fatalities around the...

9. www.sharks.org › speciesShark Species — Shark Research Institute

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   Facts about many sharks from the eight orders of sharks from the Shark Research Institute (SRI). SRI conducts and sponsors rigorous, peer-reviewed field research about sharks and uses science-based information to educate and advocate for shark conservation policies and protections by the world’s governing bodies, including CITES.

10. ocean.si.edu › ocean-life › sharks-raysSharks | Smithsonian Ocean

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    They range in size from the length of a human hand to more than 39 feet (12 meters) long; half of all shark species are less than one meter (or about 3 feet) long. They come in a variety of colors (including bubble gum pink), and some feed on tiny plankton while others prefer larger fish and squids.