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As of 2014, whale sharks are the largest known species of fish. They are almost as large as many actual whales and even dinosaurs. Adult whale sharks are at least 25 feet long and weigh up to 20,000 pounds. The largest r... More »

www.reference.com Pets & Animals Marine Life Sharks

All fish are vertebrates, which means they have a backbone, and are cold-blooded, which means their internal temperature changes to match the temperature of their surroundings. There are 25,000 known species of fish, whi... More »

www.reference.com Pets & Animals Marine Life Fish

Whale sharks are the largest living fish, with a maximum weight of 34 tons and a maximum length of 67 feet. They are filter feeders equipped with special filter structures in their enlarged gills. They have a global dist... More »

www.reference.com Pets & Animals Marine Life Sharks
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Depending upon the species, sharks rely upon a diverse range of feeding techniques to consume a wide variety of marine organisms that include large creatures with a high fat content, such as seals, and smaller aquatic li... More »

www.reference.com Pets & Animals Marine Life Sharks

Most of the more than 400 species of shark eat fish, including herring, anchovy, stingray, tuna, flounder and other sharks. With sharp eyesight, a keen sense of smell and excellent hearing, sharks are adept at finding pr... More »

www.reference.com Pets & Animals Marine Life Sharks

Hammerhead sharks are carnivorous and eat a variety of fish, although stingrays are the preferred prey. Hammerhead sharks take advantage of their wide, flat heads to pin down stingrays and other bottom dwelling fish befo... More »

www.reference.com Pets & Animals Marine Life Sharks

Mako sharks primarily feed on schooling fish like mackerel, anchovy and tuna. However, as a pelagic — open-ocean — shark, the mako is necessarily a opportunistic feeder that feeds on a variety of other prey, such as crus... More »

www.reference.com Pets & Animals Marine Life Sharks