No, they aren't.
Dolphins are mammals, which means they are warm-blooded. Warm-blooded creatures thrive better in warm water and this is what most dolphins prefer.
Well land mollusks live on land usually, and water mollusks live underwater. Neither can survive in the others enviroment. I think..
they live in the shells.
They live in water.
warm wet
the sunlight zone
hello
the mollusk live in land example fish oyster
Where the polar bears live is very cold the temperature is -70 in the cold months and -35 in warm months. 1
In the seas
Most are in water.