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Also know, how long can alligators go without eating?

two to three years

Subsequently, question is, how long can Crocodiles go without water? In most voluntary dives, crocodiles stay underwater for between 10 to 15 minutes. If the crocodile is trying to hide from a threat, dive length may be longer, up to 30 minutes or more. Most crocodiles can actually remain underwater up to 2 hours if pressed, but is this normal?

In respect to this, what is the longest an animal can go without eating?

But it comes down to the lungfish - it has been recordered to go more than 4 years without food, and survive! Quote from a Time Magazine arcticle: "that lungfish have been observed to live four years without food—the longest authentic fast known to scientists in all the animal kingdom." See that link below.

Can crocodiles live without food for 2 years?

Crocodiles can live for 2 years without food or water. Prodding a 5 meter crocodile whilst standing next to it takes some experience!