What is the world's largest fish?
The harmless whale shark holds the title of largest fish, with the record being a 59 footer captured in Thailand in 1919.
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Whale Shark Facts
Whale shark facts and facts about whale sharks, from the Random Facts shelf.
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What is the largest fish in the world?
The whale shark is the largest fish in the world and can grow longer than 40 feet, but it feeds mostly on tiny plankton and is harmless to humans.