they are reptiles, reptiles can survive both water and land.
An animal that can live on land and water is called an amphibian.
Elephants are the largest land animal.
The largest land animal is an elephant!!
The biggest animal on land is the African bush elephant, while the blue whale holds the title for the largest animal in the water.
amphhibian
Amphibians
I think what you are asking for is amphibian. An animal capable of living both on land and in water.
amphibians - there are heaps
Amphibian
An animal that lives on both land and water is called amphibian. Examples include frogs, toads, and salamanders.
An animal that lives both in the water and on land is an amphibian.