They flap their tails and fins and they use their fin and tail muscles! :)
Every muscles the pike has to swim with are used to do a pike jump.
they can be used as food
You take very few muscles to smile and many more muscles are used when you swim.
Scales
"Swim like a fish" is a metaphorical expression used to describe someone who is a strong and skilled swimmer. It implies that they move through the water with ease and agility, similar to how a fish swims effortlessly.
swim bladder
skeletal muscles.
Every fin a fish has is there for a purpose. Of course the pectoral fins help them swim. They can also be used as brakes.
Both arm and leg muscles are being used when driving a car.
The swim bladder can fill by gulping air at the surface, this enables the fish to float or empty by loosing air from the swim bladder through a pneumatic duct (a pneumatic duct is an internal gas filled organ) connected to the oesophagus, this enables the fish to sink. got this answer from another person. i really hope that it is right
When you drink something you are using your arm muscles.
Sodium Cyanide if used by Fishermen to make the fish swim slowly. Then, they can get a good catch or catch fish faster. Improvements are welcome...