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Top 10 List:

The biggest fish in the World

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Whales are not fish, otherwise they would top this list. They are on the world's heaviest animals list.

The Whale Shark is top of this list, as it is not a whale, but a shark. The top three fish on this list are sharks, and there are probably more that would fill the top of this list if all were included. Another large sea creature at a size to make this list (but not a fish) is the Giant Squid**.

This is not a definitive list, the information has been gathered for many sources and there are probably some fish that have been left out. The weights listed are sometimes estimated weights, for some of these animals it is quite hard to weigh. Where do you get a scale to weigh a shark from anyway? This is a list in progress, the weights have been researched from different sources, and some represent the largest found, other the average. Contact us if you know of other fish that should be on the list.

FISH max. recorded weight notes
    (kg) (lbs)  
1. Whale Shark 11,800 26,000 The heaviest specimen ever found (in March 1994) weighed 36,000 kg. The Whale Shark also has the thickest skin of any animal, measuring up to 6 inches (15 cm) on the back. 
2. Basking Shark 5,218 11,480  
3. Great White Shark 2,300 5,060  
4. Ocean Sunfish 1,000 2,200 the heaviest known bony fish in the world
5. Giant Cambodian stingray 455 1,000  
6. Pirarucu 180 400 South American tropical freshwater fish (largest freshwater fish) which can grow up to 10 ft long.
7. Mekong Giant Catfish 293 646  
8. Beluga or European Sturgeon 264 582 Unconfirmed reports of belugas reaching a length of up to 8.6 m (28 ft) and weighing as much as 2,700 kilograms (5,940 lbs).
9. Bull Sharks 250 550 these are the largest freshwater fish
10. Wels Catfish 150 330  

* maybe should be on this list: The .

** Giant Squid (300 kg / 660 lbs) are classified as cephlapods.

Other fastest animal lists include: