They aren't. Mermaids are the product of sightings of ordinary sea creatures and the overactive imaginations of sailors.
Your mermaids can be whatever you want -- you're the writer! Here's a link to a good online name generator so you can name your mermaids.
No one on here are mermaids. They do not exist and people can not become mermaids. If someone tells you they have turned into a mermaid they need help because it is not possible. It is all make believe and not real.
I'm just taking a wild guess here, but in the ocean....??
no the dont if you here some body say they do they are lying alot
well do know that mermaids live deep in the deeps of the ocean i don't exactly know Wat a mermaids home is like but here is a description its dark cold and has many treasures if you see the mermaid ummm..... make a wish fast she may kill you....
There are no actual mermaids...
mermaids livge in the ocean there for mermaids are real
No. Mermaids are not real and there are no spells to make people into mermaids.
There are no mermaids anywhere, since mermaids do not actually exist.
You are real, but mermaids are not.
Mermaids are not real
mermaids get their tail any time thy chande to mermaids