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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 »

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 »

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 »

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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 »

Tiger sharks live in warm water, can grow to be more than 16 feet long and eat a wide range of food. For instance, tiger sharks aren't picky about their meals, eating birds and sea turtles or dolphins. More »

Whale sharks are fish, not mammals. According to an article by Jennifer Kennedy on About.com, the whale sharks are the largest fish in the world. They grow as long as 65 feet and weigh up to 75,000 pounds. Female whale s... More »

Whale sharks live in the open ocean where they feed on plankton, schooling fishes, jellyfish, small crustaceans and squid. Whale sharks up to approximately 3 feet in length are eaten by blue marlin, blue sharks, great wh... More »