Yes they are if they are used properly make sure if you have children watch them at all times because it takes a year or less in order to learn
yes they are cheap.
Yes.
$100 and up
I think they cost extra
U think mermaid tails are chip u can go to mermagica. And buy whon
yes they do. if you want to get a tail that is like 115$ or something a goood cheat is to go into tail skin replacement and if you have a monofin you can get it cheaper(mermagica tails come with monofin) or you can pretend you have a monofin(if you pretend to have a monofin then when you get the tail you can use the shape to make one or you can buy one) i have one and i love it. you should get one
They need their tails to swim.
Yabbies swim backward using their tails
Tadpoles use their tails to swim.
Whales' tails move up and down when they swim, just like peoples' legs.
Mermagica is present in the US, UK, European Union, Canada, and Australia.
No, they use their tails.