I use to have a pet crayfish he would use his tail to swim I was amazed on how crayfish swim with there tail sadly my brother accidentally put his shoe lase in the tank and the crayfish climbed out with the shoe lase I miss pincher's
seahorses use their tail and fins to swim.
because they use there tail to swim, and they don't have a tail on the front so they cant swim backwards.
they use their tails to help them swin but they also use their fins to help them swim
The use of fish tail is that its help the Fish swim faster than its preadator. Like if the Shark was after a Fish than the fish wolud have to use its tail to swim faster than its preadator which is Shark.
their tail and fin
to swim and
they flap it up and down and make splashes
Tail , fins and body.
They use their tail and their swim blatter and that is an organ that fills and emties with air so they rise and fall.
The mink uses it's tail in much the way otters use theirs. To swim, and to balance while on land.
it uses its tail to attack things or swim away ... apparently
Balance. An aid in communicating their mood to other wovles. Also to communicate, if they wag the whole tail that means they are happy but if they wag only the tip watch out!they are going to attack.