- Shark - Wikipedia
Sharks are a group of elasmobranch cartilaginous fish characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head Modern sharks are classified within the division Selachii[1] and are the sister group to the Batomorphi (rays and skates)
- Shark Species — Shark Research Institute
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
- List of Shark Species and Facts - ThoughtCo
Learn about some of the 400+ types of sharks Find information on great white sharks, blue sharks, hammerheads, whale sharks, and more
- Types Of Sharks: Shark Species List With Pictures Facts
Famous types of sharks include requiem sharks such as the tiger shark and blue shark; mackerel sharks such as the great white shark and shortfin mako shark; carpet sharks such as the whale shark; ground sharks such as the great hammerhead, and smaller groups such as angel sharks, catsharks and dogfish
- 12 Shark Facts That May Surprise You - NOAA Fisheries
Celebrate Shark Week by learning something new about sharks! 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
- Shark | Attacks, Types, Facts | Britannica
shark, any of numerous species of cartilaginous fishes of predatory habit that constitute the order Selachii (class Chondrichthyes) Sharks, together with rays and skates, make up the subclass Elasmobranchii of the Chondrichthyes
- Sharks | Smithsonian Ocean
There are more than 500 species of sharks swimming in the world’s ocean Yet when most people think of these cartilaginous fish, a single image comes to mind: a large, sharp-toothed and scary beast That generalization does sharks a huge disservice, as they have far more variety than that
- Sharks, explained | National Geographic
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
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