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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...
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).
Jul 8, 2024 · 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.
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 help.
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....
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.
Jun 13, 2005 · ANIMALS. NEWS. Shark Facts: Attack Stats, Record Swims, More. 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...
Jul 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...
Jul 1, 2024 · White shark, any member of the largest species of the mackerel sharks (Lamnidae) and one of the most powerful and dangerous predatory sharks in the world. Despite being much maligned and publicly feared, surprisingly little is understood of the white shark’s life and behavior.
