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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- How do pit vipers find prey in the dark?
“Pit vipers, like rattlesnakes, have heat-sensing pits on their faces that detect infrared radiation, so they can "see" the body heat of warm prey in total darkness.”
Reference: Smithsonian's National Zoo
More facts about animals.
More animal facts
The anaconda is one big snake, and it does something unusual.
The anaconda, one of the world's largest snakes, gives birth to its young instead of laying eggs.
Can sharks sense electricity?
Sharks have special organs called ampullae of Lorenzini that detect the tiny electric fields produced by other animals' muscles, which helps them find hidden prey.