The swimbladder helps fish control their buoyancy in water.

She swimmest in the pool every morning.

The fish swimmeth gracefully in the ocean.

The synchronised swimmers performed a stunning routine at the Olympics.

She is a talented synchronised swimmer.

I bought a pair of swimfins for my scuba diving trip.

Ice swimmers brave the freezing waters to compete in winter swimming events.

He is an avid ice swimmer and participates in competitions regularly.

Winter swimmers enjoy the cold water and the thrill of diving in icy lakes.

I admire the courage of winter swimmers who brave the icy waters.