Sharks
Fish
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 and... Wikipedia
Lower classifications
There are over 400 shark species. Learn about sharks, as well as the threats this species faces, what WWF is doing to protect its future, and how you can ...
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 ...
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Sharks help support a healthy ocean. Large sharks, like white sharks and hammerheads, are predators that keep populations of other animals in check. Human ...
Apr 3, 2024 · shark, any of numerous species of cartilaginous fishes of predatory habit that constitute the order Selachii (class Chondrichthyes).
Apr 30, 2018 · The 15 species of mackerel sharks (Lamniformes ) includes the great white shark, basking shark, megamouth shark, goblin shark and thresher shark ...
With an estimated 126 different species, this order of sharks is found in nearly every marine habitat. These sharks have long snouts with a short mouth, five (5) ...
Many species of shark are classified as endangered or threatened due to slow reproduction rates, habitat loss, and overfishing. Are sharks endangered?
Learn fun facts and how you can help your favorite sharks - from great white sharks to hammerhead sharks - by clicking a species below.
Sharks are amazing ocean predators, and they're some of the most powerful creatures in the sea. But 75% of shark species are currently threatened with ...