any where there is water and snails
No. Puffer fish live in the ocean, not in rainforests.
in ocean
Puffer fish have a lifespan that typically ranges from 5 to 10 years in the wild, but they can live longer, up to 15-20 years, in captivity when given proper care.
polar
coast of tropical waters.
salt
Yes
There are as many as 5 to 20 puffer fish that live in a school. This number varies on the location of the puffer fish population and the resources available to them.
Puffers are egg laying fish
There are some species of Puffer fish that can live in fresh water or sea water (Marine). The only naturally evolved Parrot fish is a marine fish. The thing that is 'called' a "parrot fish" that lives in fresh water is a man (laboratory) made species that doesn't even have a proper Taxonomic name. It could live with any species of Puffer fish that can live in fresh water but it may be bitten by the puffer fish.
No it lives on a train
I assume you mean what part of the world. The answer to that question is that puffer fish live all over the world, from pacific to south Atlantic to freshwater rivers and lakes.