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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 min
- 8.4M
- National Geographic
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).
- Conservation status
- Conservation
- Wildlife
The growing trade in shark fins often used to make an expensive Asian souphas become a serious threat to many shark species. The latest research suggests that around 100 million sharks may be killed annually, often targeted for their fins. This practice affects many different shark species, including whale sharks.
The overfishing of sharks happens because of the huge demandmainly for shark finsand a lack of management to ensure shark fisheries are sustainable. Some species, such as spiny dogfish and porbeagle, are targeted primarily for their meat. The oceanic whitetip, porbeagle and three hammerhead species are some of the shark species of concern for WWF, ...
Sharks are often caught incidentally by fishing gear set for other types of fishsuch as tuna longlines, trawls and seine netsand many will simply be discarded. This contributes to the decline of many species of sharks.
Jul 8, 2024 · Learn about sharks, the cartilaginous fishes of predatory habit that have more than 400 living species. Find out their characteristics, habitats, diets, threats, and human interactions.
- Jeffrey Carrier
Hungry Shark Arena is an online multiplayer shark game. Compete against other hungry sharks in a battle royale deathmatch where only the last shark swimming reigns supreme.
Learn about the world's most ancient and diverse fish, from their skeletons and teeth to their diets and migrations. Find out how sharks are threatened by overfishing, climate change, and human activities.
