Is there a crocodile in saltwater?

Answer 1

The saltwater crocodile (Crocodylus porosus) can be found in the ocean but the species spends the vast majority of it's time in the tidal river systems, which are influenced heavily by saltwater. But they can also be found very far inland (up to 250 km or more) in purely freshwater ecosystems. The hatch-lings require freshwater to survive, so these are not "true" marine species. In addition, the American crocodile (Crocodylus acutus) of Mexico, Central America, South America, the Caribbean and the tip of Florida is just as tolerant of saltwater as the saltwater crocodile and is also found at sea on occasion (hence it's distribution throughout the Caribbean on Jamaica, Cuba and Hispaniola.) This has led people to mistakenly refer to this species as the much more aggressive "saltwater crocodile"(Crocodylus porosus) of Asia, Australia and parts of the South Pacific. It is important to note that many crocodile species (NOT alligators & caiman) display some level of saltwater tolerance. The Nile crocodile may occasionally swim out to sea and is common in many coastal estuaries in Africa.