Answer #1

Cause they’d die on land? They have gills which filter oxygen out of water so thats the only way they can breath.

Answer #2

cus their fish, its where they were born

Answer #3

Because all the fish-type ancestors (apart from a few with randomly useful genes) who tried something different died.

Answer #4

Why do humans live on land? ¬_¬ Humans breathe AIR to survive, Fish “breathe” WATER to survive.

Answer #5

Actually not all fish breathe underwater, whales for example need to come up for air and so do dolphins. It’s a good question.

Answer #6

but they are not fish, they are mammals

Answer #7

Or. Because the fancy-fishes that won the Once in 10 Million Years lottery got out of that dangerous place as soon as they could and left the fish to it.

Answer #8

True, but they also cannot live outside water and most people do put them under fish, even though it isn’t technically correct.

Answer #9

They have gills.. and would die if they stay out of the water for like 5 mins.. I believe.

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