if you've seen the movie. Dolphin tail. It moves up and down. :)
the tail fins of a bottlenose dolphin are called flukes
yes, in the movie dolphin tail, the story was that adolphin lost its tail tphen got a robotic tail. it was based on a truestory.
They use their tail to force their way through the water and steer
A tail
no it not
No it does not, it is born with a tail
Dolphin Tale
Bottlenose dolphins are somewhat slower than their speedy companions, tiger dolphins. But on average they can swim at about 135mph
Yes
its tail
tail
The tale on a dolphin moves horizontally, up and down, to propel itself in the water. A dolphin may angle it's back end to turn, but the tail always moves up and down.