It is saltwater.
saltwater
salt
Because saltwater fish can only breathe in saltwater (as in the ocean) and freshwater fish can only breathe in freshwater (as in tap water.)
i think saltwater cuz they live in the ocean
The ocean is not aquatic, it is marine. Aquatic is freshwater. Marine is saltwater.
No, freshwater fish must be kept in freshwater and saltwater fish must be kept in saltwater. The one exception (that I know of) in nature is salmon which migrate from where they were born (freshwater) to the ocean and then back to where they were born again to breed.
Assuming the question is, "Is the Atlantic Ocean full of saltwater?", then the answer is yes. Ocean and seas are salty; rivers and lakes are freshwater.
No. Lake water is freshwater and ocean water is saltwater.
The same as in the ocean
Massachusetts has both saltwater and freshwater. It touches the saltwater Atlantic Ocean and also has over 500 bodies of freshwater including lakes and rivers.
anadromous fishes - live in ocean reproduce in freshwater or catadromous fishes - live in freshwater but reproduce in saltwater amphidromus fishes - move between fresh and saltwater for non-reproductive reasons
James bay as well as Hudson's bay are both salty, but not quite as salty as The Atlantic or Pacific Oceans.