Sharks 101 | National Geographic - YouTube
WEBJul 25, 2019 · 42K. 8.3M views 4 years ago #NationalGeographic #Sharks #Educational. Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks,...
Shark - Wikipedia
WEBSharks 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).
Sharks, explained - National Geographic
WEB5:01. Sharks 101. 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...
Shark Facts: Attack Stats, Record Swims, More - National Geographic
WEBJun 13, 2005 · A round-up of facts about one of the most iconic fishes. By Brian Handwerk. June 13, 2005. • 7 min read. The United States averages just 16 shark attacks each year and slightly less than one...
Shark | Attacks, Types, & Facts | Britannica
WEBApr 25, 2024 · Apr. 24, 2024, 9:03 AM ET (Newsweek) Huge Prehistoric Salmon Had Spikes That Could Have 'Easily Killed' a Shark. Apr. 20, 2024, 4:04 AM ET (Newsweek) Sharks Seen 'Adapting' to Different Environments for First Time. Apr. 16, 2024, 4:41 AM ET (Newsweek) 'Killer Cold Events' on the Rise. Apr. 15, 2024, 6:15 AM ET (The Guardian)
Sharks | Smithsonian Ocean
WEBThey 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.
12 Shark Facts That May Surprise You | NOAA Fisheries
WEBJul 17, 2018 · 1. Sharks do not have bones. Sharks use their gills to filter oxygen from the water. They are a special type of fish known as "elasmobranchs", which translates into fish made of cartilaginous tissues— the clear gristly stuff that your ears and nose tip are made of. This category also includes rays, sawfish, and skates.
Shark | Species | WWF - World Wildlife Fund
WEBFacts. Weight. up to 11 tons. Length. 8 in.-40 ft. Habitats. Oceans. 1,000. There are over 1,000 species of sharks and rays. With fossil records dating back 400 million years, sharks have outlived the dinosaurs and many other forms of life currently on earth.
Sharks: Facts about the ocean's apex predators | Live Science
WEBJul 4, 2022 · Sharks are a diverse group of mostly predatory fish, including the largest living fish, with skeletons made of cartilage. They have plied the seas since before the dinosaurs lived and play vital...
Shark Species — Shark Research Institute
WEBGreat Lanternshark. Greenland shark. Gulper shark. Kitefin shark. Pacific sleeper shark. Pygmy shark. Spiny dogfish. Sharks in this order have flattened bodies, a mouth with dermal flaps in front of a short snout, nasal barbels, eyes and spiracle on the top of their head, and lack an anal fin. Angel shark.
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