in water
The word for swim for a fish is "swim." Fish swim by moving their bodies and fins to propel themselves through the water.
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
Yes, dolphins are fish eaters. See related question.
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.
Fish swim in schools.
Once a fish has died it can't swim.