Why do fish swim?

Answer 1

they dont have arms to pick up their credit cards (which they dont have either) to buy vbucks with. invest people. trust me.

Answer 2

Well fishes live in water cannot walk like people in water due to pressure I guess.

Its marine life style

Answer 3

That's how they're schooled.

Answer 4

Because they were born without legs.

Answer 5

Fish is waking 

Answer 6

Because they’re rubbish at walking.

Answer 7

Because they look silly trying to play handball in a small tank. 

Answer 8

Because sinking is not conducive to continued good health. 

Answer 9

Fish swim because if something is coming after them they need to move quickly and they need food to survive so that too.

Answer 10

It's too hard for them to walk without legs.