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There are three related species - crocodile, alligator and ghariyal. Crocodiles have active lingual (on tongue) glands that can secrete salt - these glands are present also in alligators but aren't active. That's why crocodiles can live in ocean where alligators can't survive for long (ghariyal is a purely freshwater species with no such gland at all).
Another member of the family is the caiman, which is an alligator like group found in South America.
Though the crocodiles are poor swimmers, the larget living reptile called estuarine crocodile (Crocodylus porosus) can ride sea wave and get across the sea from one to another nearby land and live in mangrove forest or estuary near the seashore.
(source : sciencenews.com; June 7, 2010).
What else can I help you with?
What predators live in the sea?
large sharks, Saltwater Crocodiles and Killer Whales
Where do crocodiles and alligators live?
florida everglades
Do crocodiles live in new Orleans?
No, but alligators do.
Why don't crocodiles and alligators live in the sea?
Some saltwater crocodiles do, but most live in fresh water. Their bodies, like many other animals, have difficulty using water that is too salty. Alligators live specifically in swamps where the water is either fresh or slightly brackish.
Do crocodiles live longer than alligators?
Yes, crocodiles generally have a longer lifespan than alligators. Crocodiles can live up to 70-100 years in the wild, while alligators typically live around 30-50 years.
Where do alligators and crocodiles live together?
um........ in the water
Where do alligators and crocodiles live together in the world?
Florida
Do alligators and crocodiles live in the same environmental niche system?
No. Alligators (American Florida alligators) live predominantly in mid to southern Florida, whereas crocodiles live mostly in South America, southern Africa and equatorial Asia.
Where are crocodiles and alligators located?
alligators live in fresh water in northern and southern America while crocodiles can live in swamps in Africa
Are there any descendants of dinosaurs live in the sea?
Some people believe that some descendants of the dinosaurs that live in the sea include crocodiles or alligators. These animals have been on the planet for millions of years.
Will sea level rise be good or bad for alligators?
Alligators that live in fresh water will have to adapt to saltier water, or move further up rivers. Salt-water crocodiles won't be worried at all by a rise in sea levels.
Do crocodiler live in the ocean?
No. Crocodiles and alligators live in rivers, wetlands, and swamps. Saltwater crocodiles sometimes do travel out to sea. Most of these are younger crocodiles not yet big enough to successfully compete for territorial rights in the inland swamps and rivers.
