Search results
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 25, 2019 · 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...
3 days ago · 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.
Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some species are at risk of extinction. Common Name: Sharks. Type: Fish. Size: 7 inches to 32.8 feet. Weight...
Most sharks are predators: they hunt and eat fish, marine mammals, and other sea creatures. However, the largest shark eats krill, like whales. This is the whale shark, the largest fish in the world. It is widely believed that sharks are "silent killers".
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.
The oceanic whitetip, porbeagle and three hammerhead species are some of the shark species of concern for WWF, where the impact of trade is contributing to declines in populations. Millions of these sharks continue to be fished annually to supply the persistent demand for their fins and meat.
Jun 13, 2005 · Read on for more surprising shark facts compiled by National Geographic News: • Each year there are about 50 to 70 confirmed shark attacks and 5 to 15 shark-attack fatalities around the...
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...
Dec 7, 2021 · Types Of Sharks. There are 537 shark species, divided between 8 orders. 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 ...
