How do I make an underwater room for my crocodile?

Question

I tried adding undersea wall paper and undersea floor, but I didn't have any luck? Help

Answer 1

Put it in the swimming pool.

Answer 2

build a big swimming pool if u don't have one  or donate the croc to someone maybe a zoo.

Answer 3

put it in a bath or swimming pool  

Answer 4

Is the crocodile in a cage or in a room? And you should add water wherever it is.