I hate these sorts of things, I get all like 'maybe this time it might just be real and tomorrow it'll be all over the news' but then I remember what a sucky place the earth is and realize that this will be another elaborate fake that will chip away at whats left of my childhood wonder.
The head flick makes me piss. It just reminds me of something from Insidious or a film like that. As much as I LOVE mermaids in films and would love them to be real, I'm guessing this is fake. :/
I would have a harder time telling if this was fake or not if it wasn't for the awful acting in this, completely unncessary, just "film" the mermaid and upload it, nothing else is needed.