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Bookmark or Share- 12 Shark Facts That May Surprise You | NOAA Fisheries1. 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.
- Sharks, explained - National GeographicSharks 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....
- Shark - WikipediaSharks 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).
- Sharks | Smithsonian OceanThey are found in just about every kind of ocean habitat, including the deep sea, open ocean, coral reefs, and under the Arctic ice. Wherever they live, sharks play an important role in ocean ecosystems—especially the larger species that are more “scary” to people.
- Sharks 101 | National Geographic - YouTubeSharks 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...
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