40-70 years. Top speed. 18. km/h mph. Weight. 1000. kg lbs. Length. 4.3-5. m ft. The Saltwater crocodile (Crocodylus porosus) is the largest living reptile and crocodilian known. It was hunted for its skin throughout its range up to the 1970s and is threatened by illegal killing and habitat loss. It is regarded as dangerous to humans. More @Wikipedia
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