Fish swim in order to move from place to place for whatever reason they choose.
a fish is streamlined and perfectly designed to be able to move through water with ease, It's fins help it steer while it's tail propels it through the water.
it is because they are together or fighting
to travel....
Yes fish can swim.
Fish can swim in any direction.
A catfish would be an example of a fish that can swim.
to help the fish swim and float
the only fish that doesn't swim is none. only the mudskipper can go on land
One fish that should not swim in ponds is the Stonefish.
Pikes are a breed of fish.... all fish can swim !
There are certainly aquatic animals that can't swim, such as the clam, or the adult barnacle (and even then, the larval form of the barnacle does swim) but you wouldn't really call anything a fish if it couldn't swim. Fish swim.
Once a fish has died it can't swim.
Fish swim in schools.
Birds fly, fish swim
fish swim for oxygen.