The great tail was attached just behind the head.
It was on the surface, still a hundred yards away but swimming fast, driving towards him with the great tail churning the water.
With a few kicks of the great vertical tail, the alien closes on them.
Its great tail slammed the ground twice, shuddered, and was still.
Beyond the spears of his backbone she saw the great tail lash.
His great tail swept a third of the stars from the heavens, and they plummeted to the earth.
The fish righted himself and swam off again slowly with the great tail weaving in the air.
Probably will, too, if he doesn't get off his great tail and do something about it pretty soon.
Finally the great tail would lift above the waves.
They do this with the aid of their great wide tails.