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Shark. † Synechodontiformes. 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...
May 20, 2024 · Shark, any of numerous species of cartilaginous fishes that make up the order Selachii (class Chondrichthyes). Most species have a tough skin that is dull gray in color and roughened by toothlike scales. The mouth contains sharp triangular teeth. Sharks lack a swim bladder and must swim to keep from sinking.
Type: Fish. Size: 7 inches to 32.8 feet. Weight: <1 ounce to 20.6 tons. Sharks star in blockbuster movies as blood-seeking villains, but in reality they’re far more fascinating and complicated ...
Jul 4, 2022 · Shark fin soup, considered a delicacy in Asian and Western countries, garners up to $100 per bowl. Because of the value of shark fins, some fishers engage in "finning," cutting off fins and ...
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Shark meat is more likely to be consumed locally, but the average declared value of shark meat products in the same time frame was still nearly US$240 million a year. The demand for shark fins in Asia, and shark meat more globally, are the biggest factors driving overfishing and population declines.
